Let p represent the dominant allele for a trait and q represent the recessive allele for that trait. If the frequency of q is 0.2, then what would be the frequency of the heterozygotes in the population
Answers
The frequency of the heterozygotes in the given population is 2pq which is O.32, where p represents the dominant allele for a trait and q represents the recessive allele for that trait.
What do you mean by Heterozygotes?The heterozygotes may be defined as the presence of two different alleles at a particular gene locus.
In the given population, the frequency of the q allele = 0.2.
Then, according to Hardy-Weinberg genetic equilibrium, the frequency of the p allele = 1 - 0.2 = 0.8.
∴ The frequency of heterozygotes, 2pq = 2×0.8×0.2 = 0.32.
Therefore, the frequency of the heterozygotes in the given population is 2pq which is O.32.
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Related Questions
With decrease in resistance in blood vessels, there will be an increase in blood flow. Which of the following will cause decreased resistance?
a
Low blood viscosity decreases resistance in blood flow.
b
High blood viscosity decreases resistance in blood flow.
c
Low pH in the blood will decrease resistance in blood flow.
d
Changes in red blood cell shape will decrease resistance in blood flow.
Answers
When can two parent plants with purple flowers produce
offspring with white flowers?
Answers
Answer:
if purple is the dominant allele (P) and white is the recessive allele (p) then it would be possible if both parents had the genotype Pp, then it would be possible for both parents to pass on the recessive gene (p) and have offspring with white flowers
Explanation:
What’s the corresponding mRNA strand for this DNA strand: TACGGGATAAGGCCACCTCTGGTAGACCACATT
Answers
Thymine(T) pairs with adenine(A)
Adenine(A) pairs with uracil(U)
Cytosine(C) pairs with guanine(G)
therefore the corresponding mRNA strand for TACGGGATAAGGCCACCTCTGGTAGACCACATT
is
AUGCCCUAUUCCGGUGGAGACCAUCUGGUGUAA
You are studying a population of Dlugosch’s Small Octopus that has been suffering from a skin disease. In your work, you find that some individuals have more resistance (immunity) to the disease than others. You remember learning about life history trade-offs in your Ecology class, and you hypothesize that immunity trades off with investments in other major life history traits in the octopuses. You decide to design a study to test whether higher immunity leads to a lower number of eggs produced by females.
9. State a prediction for what the results of your study would look like if they support the hypothesis given in the Mission.
Make a figure of results that would be consistent with that prediction:
Label y axis with the variable that should be on the
Label x axis with the variable that should be on the
Draw results bars or lines consistent with your prediction
If the infection reduces the population size of the octopus, would you predict an r or a K strategy would be more likely to evolve (based on what we discussed in class)? Explain why that life history strategy would be favored in a small population, and give at least two traits associated with the strategy that you predict.
Answers
If higher immunity leads to a lower number of eggs produced by females in Dlugosch's Small Octopus, then there will be a negative correlation between immunity level and egg production.
A K approach would be more likely to develop if the illness causes the octopus population to decline. Resources are few in a tiny community, therefore long-term stability and survival are prioritized over rapid population expansion. The K approach emphasizes having fewer kids while allocating more resources to ensuring their survival and welfare. In a small population, the following two characteristics connected to a K strategy might be more prevalent:
Increased parental care: Parents invest more time and resources in raising a smaller number of offspring to increase their chances of survival and reproductive success.
Delayed maturation: Individuals take longer to reach reproductive maturity, allowing them to invest more time in growth, development, and building up resources before reproduction.
These traits help ensure the survival and success of the limited number of offspring in a small population, aligning with the K-selected life history strategy.
In this figure, the y-axis represents the number of eggs produced by females, and the x-axis represents the immunity level of the octopuses. The bars or lines would show a decreasing trend as the immunity level increases, indicating a negative relationship between immunity and egg production.
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The condition in which there are barriers to successful interbreeding.
Answers
Answer:
latent variations,
sterility
structural differences
reproductive isolation
22. What is a beneficial way ethylene affects plants; what is a negative way ?
Answers
Answer:
Beneficial is fruit ripening
And negative is abscission.
Explanation:
Ethylene is a plant growth regulator or phytohormone of plant. It is beneficial to plants in that it aid fruit ripening, it hasten flower opening and shedding of leaves.
Ethylene also have a negative effect and they include; Ethylene effects include: it result in loss of chlorophyll, abortion of major plants part, it lead to the stem shortening, abscission or dropping of plant parts, epinasty, and dormancy and scinence. Thus hormone can be produced when plants are injured, either mechanically or are affect by certain disease
Which of the following is an example of a biological system
Answers
Answer:
the answer is a: the heart, lungs, and blood vessels working together to carry oxygen throughout the body.
Answer:
The heart, lungs and blood vessels working together to carry oxygen throughout the body
Explanation:
A biological system is a group of entities/organs that work together to perform a particular function.
along with nutrients, hormones, water, and gases, the cardiovascular system also transports T/F
Answers
along with nutrients, hormones, water, and gases, the cardiovascular system also transports is True.
In addition to transporting nutrients, hormones, water, and gases, the cardiovascular system also transports various other substances, including waste products like carbon dioxide and urea, immune cells, signaling molecules, and heat. The heart pumps blood through the blood vessels, which allows for the efficient distribution of these substances throughout the body.
what is hormones?
Hormones are chemical messengers that are produced and secreted by the endocrine glands in the body. They are released into the bloodstream and travel to different parts of the body where they bind to specific receptor sites on target cells, influencing the activity of those cells.
Hormones are involved in the regulation of many physiological processes, including growth and development, metabolism, reproduction, and the body's response to stress. They can be classified into different types based on their chemical structure, including steroid hormones, peptide hormones, and amino acid-derived hormones.
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Which of the following statements is true regarding the phospholipid bilayer in cell membranes?a) water and ions are unable to cross the bilayer due to the charges present in the head groupsb) water and ions are unable to cross the bilayer due to the hydrophobic tails of the phospholipid moleculesc) water and ions are encouraged to cross the bilayer by interacting with the charges present in the head groupsd) the molecules in the bilayer are fluid, and so the cell membrane is porous allowing the passage of ions and water across the cell membrane
Answers
The correct statement regarding the phospholipid bilayer in cell membranes is b) water and ions are unable to cross the bilayer due to the hydrophobic tails of the phospholipid molecules.
The hydrophobic tails of the phospholipid molecules create a barrier that prevents water-soluble substances, such as ions, from passing through the bilayer. The phospholipid bilayer is selectively permeable, allowing only certain molecules, such as gases and small nonpolar molecules, to pass through freely.
The fluidity of the bilayer allows for flexibility and movement of molecules within the membrane, but it does not make the membrane porous to all substances.
The hydrophobic tails create a barrier that prevents the passage of water and ions directly through the bilayer, necessitating specialized channels and transporters for their movement across the cell membrane.
Therefore, the correct answer is option b. water and ions are unable to cross the bilayer due to the hydrophobic tails of the phospholipid molecules.
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NO LINKS!!!!
PLEASE HELP!!!!
(Will put correct answers for whole quick check in comments)
What causes ocean acidification? (1 point)
Acidic carbon dioxide dissolves in water, raising the
water's pH.
Acidic oxygen dissolves in water, raising the water's
pH.
Acidic carbon dioxide dissolves in water, lowering the
water's pH.
Acidic oxygen dissolves in water, lowering the
water's pH.
Answers
Answer:
1) high water temps and water acidity cause coral polyps to expel algae, causing them to turn white in color
2) acidic carbon dioxide dissolves in water, lowering that water’s pH
3) this shift in temperature is happening more quickly
4) to protect itself from the sun
5) the biodiversity of the water
Explanation:
Answer:
Explanation:
Ocean acidification refers to increase in acidity of ocean and decrement in it's pH value. Therefore, C is correct.
What is Ocean acidification?
There are a lot of new sources of CO₂ that have been created by humans in the form of different industries, automobiles etc. We humans, ourselves, are also the providers of CO₂ to our environment. CO₂ is acidic in nature, when it gets mixed with water it makes the neutral water acidic. This is what we call as ocean acidification.
The adverse effects of changing ocean's nature are-
1) Carbonate-based shells and skeletons lives will be harmed
2) Some organisms are sensitive to acidity, they can be harmed and
3) When a majority of organisms will be harmed the automatically those organisms will not survive who are at the top of the food chain.
Therefore, Ocean acidification refers to increase in acidity of ocean and decrement in it's pH value. C is correct.
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1. Which of the following correctly identifies the composition of an oxygen atom?
8 protons, 8 electrons, and 8 neutrons
6 protons, 6 electrons, and 6 neutrons
8 protons, 6 electrons, and 7 neutrons
06 protons, 6 electrons, and 12 neutrons
Answers
Answer:
The answer is A. 8 protons, 8 electrons, and 8 neutrons.
Explanation:
This is because Oxygen's atomic number is 8 and its atomic weight is 15.99 units. The atomic number is the number of protons in an atom. This means that there are 8 protons, along with 8 electrons, because the amount of electrons in an atom are equal to the number of protons (not including ions.) Additionally, to discover the amount of neutrons present in the given atom, you must take the atomic weight and subtract the atomic number (aka # of protons present). Once you subtract, you will be left with the number of neutrons. Since the atomic weight is 15.99, you will round it up to 16 and subtract 8, leaving 8 neutrons present. In all, it has 8 protons, 8 neutrons, and 8 electrons.
Students set up the experiment shown in their Biology class. After 24 hours, students noticed gas had accumulated in one of the inverted test tubes. They measured the amount of gas.
What would be a best explanation for the gas accumulated in one of the inverted test tubes?
Answers
Answer:C) light caused the elodea plants to photosynthesize, releasing O2 gas
Explanation:
Got it right on my test
Students carried out the experiment demonstrated in biology class, and after 24 hours, they noticed gas had accumulated in one of the inverted test tubes, which is the oxygen gas produced by the plant during the photosynthesis process.
What is the experiment for photosynthesis?There are many experiments that demonstrate photosynthesis, such as when the elodea plant is kept in the sunlight, the gases are released and collected in the tube, and when tested, it is discovered that this gas contains oxygen, proving that the plant produces oxygen and glucose in the presence of sunlight.
Hence, students carried out the experiment demonstrated in biology class, and after 24 hours, they noticed gas had accumulated in one of the inverted test tubes, which is the oxygen gas produced by the plant during the photosynthesis process.
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in order to achieve a high magnification with a compound microscope you should have an objective lens with a ________ focal length and an eyepiece with a _________ focal length.
Answers
In order to achieve a high magnification with a compound microscope, you should have an objective lens with a short focal length and an eyepiece with a long focal length. Magnification is the capability of magnifying or enlarging an image, and it is one of the most significant features of a microscope.
A compound microscope is a type of microscope that utilizes two or more lenses to magnify the size of the object under examination. In order to improve the magnification of a microscope, two lenses, known as the objective lens and eyepiece lens, are employed. The objective lens is positioned at the bottom of the microscope, directly above the specimen, while the eyepiece lens is positioned on the microscope's top.objective and eyepiece lenses impact magnification: Objective and eyepiece lenses are two types of lenses used in a microscope that are vital for magnifying images. The objective lens in a microscope is positioned closer to the specimen and is utilized to capture the light and create a real image of the object being observed. In addition, the eyepiece lens helps magnify the object further by increasing the image's size. Magnification of the image will be influenced by the focal lengths of the lenses. Magnification is higher if the objective lens has a shorter focal length and the eyepiece has a longer focal length.To learn more about compound microscopes Please visit:
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biochem why does it make good metabolic sense for phosphoenolpyruvate carboxykinase, rather than pyruvate carboxylase, to be the primary target for the regulation of gluconeogenesis at the level of control of enzyme synthesis?
Answers
Phosphoenolpyruvate carboxykinase (PEPCK) and pyruvate carboxylase (PC) are two key enzymes involved in gluconeogenesis, which is the metabolic pathway by which glucose is synthesized from non-carbohydrate sources like amino acids and fatty acids.
PEPCK and PC both catalyze reactions that are essential for the conversion of pyruvate to glucose, but PEPCK is the primary target for the regulation of gluconeogenesis at the level of control of enzyme synthesis.
The regulation of PEPCK synthesis is important because it is an irreversible step in gluconeogenesis. PEPCK catalyzes the conversion of oxaloacetate to phosphoenolpyruvate, which is a key intermediate in the synthesis of glucose. Once phosphoenolpyruvate is produced, it can be converted into glucose through a series of reactions involving other enzymes. The synthesis of PEPCK is regulated by a variety of factors, including hormones such as glucagon and cortisol, which stimulate PEPCK synthesis, and insulin, which inhibits PEPCK synthesis. This allows for tight regulation of gluconeogenesis in response to changes in energy needs and availability.
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which policy would most likely decrease a city's gasoline use
Answers
Make sure the gas cap is on tight. One reason you may not be getting the mileage you expect is because there isn't as much gas in your tank as you think. 147 million gallons of gas were lost last year due to evaporation. Why did it evaporate? The gas cap was not on tight. So just make sure it is tight, and it will enable you to keep all the gas you pay for
The cost-effective policy will be deemed the most beneficial in reducing the use of gasoline in cities.
What is policy of cost effectiveness?A cost-effective policy focuses on both the cost and the quality of the product. The use of gasoline can be reduced by improving the technologies in vehicles where the engine consumes less gasoline.
Aside from that, by introducing new vehicles with comparable fuel consumption, consumers will be diverted from gasoline to other fuel-based vehicles with efficient output.
The government can also raise gasoline prices, but this has a negative impact on people's financial stability, resulting in a decrease in gasoline consumption.
Thus, this policy would most likely decrease a city's gasoline use.
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Is bacteria considered Endotherm or Ectotherm?
Answers
Answer:
its endotherm
Explanation:
hope this helps
Which statement about abiotic changes to an ecosystem is true?
The changes may impact food chains, but not food webs.
The changes may affect several populations within the ecosystem.
The changes cannot be caused by human activity.
The changes will have no impact on living organisms in the ecosystem.
Answers
Answer:
B the changes may affect several populations within the ecosystem
Explanation:
I took the test.
Hope this helps
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The statement that is true about Abiotic changes in an ecosystem is the changes cannot be caused by human activity.
What is an ecosystem and Abiotic factor?An ecosystem refer to a geographic area where like being organisms such as plants, animals, interact with the non living or physical environment like weather, light and so on. The ecosystem comprises of both biotic and Abiotic factors.
Abiotic factors refer to the non living part of the ecosystem and these are the physical part like light, weather, soil, landscape and so on.
Therefore, The statement that is true about Abiotic changes in an ecosystem is the changes cannot be caused by human activity.
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Toucan
Monstera Plant
The Toucan has a long, narrow beak that allows it to reach fruit that is hard to reach for other birds.
Plants, like the Monstera Plant, in the rainforest have long, grooved leaves to drop water to the forest
floor. The excessive water that falls in the rainforest could lead to mold, so the leaves adapted to
have "drip tips" that allow the water to run off of the leaves.
What type of adaptations are these? Compare and contrast the adaptations of the Toucan and
Monstera Plants of the rainforest. Your answer should be 3-4 sentences long.
Answers
structural
This is because the toucan has now evolved over time. this is to reach narrow fruits with its beak. the plant has also evolved over time. this is to make sure that the plant doesnt rot.
Using all the words below, write a short paragraph explain convection currents
Convection Currents
Mantle
Crust
Heat
Less dense
movement
More dense
Answers
Explanation:
Convection currents are the result of differential heating. Lighter (less dense), warm material rises while heavier (more dense) cool material sinks. It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth.In the atmosphere, as air warms it rises, allowing cooler air to flow in underneath. Along with the turning of the Earth, this movement of air creates winds. Winds, in turn, create surface waves on the ocean.Convection also plays a role in the movement of deep ocean waters and contributes to oceanic currents.Inside Earth, the convection of mantle material is thought to cause the movement of the overriding crustal plates, resulting in events such as earthquakes and volcanic eruptions.What do you think would happen if you inoculated a new culture
with a wrinkly colony, grew the culture overnight, and then plated
a sample of the bacteria?
Answers
If you inoculate a new culture with a wrinkly colony, grow the culture overnight, and then plated a sample of the bacteria, you would expect to see two different types of colonies on the plate.
Wrinkly colonies are composed of bacterial cells that have mutated and lost the ability to produce a molecule known as cyclic diguanylate (c-di-GMP). As a result, the bacteria become sticky and adhere to one another, forming a dense mat of cells that resembles a wrinkled surface.
Bacterial colonies with normal morphology.The second type of colonies will resemble the typical morphology of the bacterial cells present in the culture before inoculating with the wrinkly colony. Because not all bacterial cells in the culture have the same mutation that created the wrinkly colony, you would expect to see colonies with a normal morphology as well.
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which of the statements is true regarding leading and lagging strands in dna replication:
Answers
Leading: Continuous 5' to 3' synthesis. Lagging: Discontinuous Okazaki fragment synthesis.
What is Leading and lagging strands in DNA replication?During DNA replication, the leading and lagging strands are involved in the synthesis of new DNA strands. The leading strand is synthesized continuously in the 5' to 3' direction, while the lagging strand is synthesized discontinuously in short fragments known as Okazaki fragments.
The leading strand is elongated by DNA polymerase in the same direction as the replication fork, allowing for continuous synthesis. Its RNA primer is synthesized by primase only once at the origin of replication. DNA polymerase then synthesizes the complementary DNA strand in a continuous manner, utilizing the parental template strand.
In contrast, the lagging strand is synthesized in the opposite direction to the replication fork, requiring a unique approach. Primase synthesizes RNA primers at intervals along the lagging strand template. DNA polymerase then synthesizes short Okazaki fragments in the 5' to 3' direction, away from the replication fork. The fragments are later joined by DNA ligase to form a continuous strand.
In summary, the leading strand is synthesized continuously, while the lagging strand is synthesized discontinuously in the form of Okazaki fragments, which are later joined to form a complete strand.
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Hello! I Need help with this. Please Help Make Sure you explain your answer i will be marking brainliest to the first person who has the right answer.....:D
Answers
Answer:
D
I dont really know how to explain it
A dryline is the boundary between _____ and _____. (Choose two answers.) A) warm, moist air. B) warm, dry air. C) cold, moist air. D) cold, dry air.
Answers
The answer to the question is B) warm, dry air and D) cold, dry air. A dryline is a weather phenomenon that occurs when a boundary separates warm and moist air from warm and dry air.
Typically, this boundary is formed when a mass of dry air moves towards an area with moist air, causing a separation of the two. This boundary is usually characterized by a sharp contrast in humidity and temperature, making it easy to detect with weather instruments.
Warm, dry air is often associated with high pressure systems and can lead to the formation of thunderstorms and severe weather. On the other hand, cold, dry air is often associated with low pressure systems and can lead to the formation of snow and other types of precipitation.
Overall, drylines are an important feature of the atmosphere and can have a significant impact on the weather patterns in a given area. By understanding how they work, meteorologists can better predict the weather and warn people of potential hazards.
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why is understanding the causes of different diseases important???
Answers
Answer:
It’s important to understand the causes of different diseases so that they can be prevented. If they can’t be avoided, then this information can help identify the proper route for treatment.
Explanation:
Answer:
Because by understanding the causes of these diseases, they can be prevented.
That is why it is so important to know the reasons why certain diseases appear.
If a target cell is continually under-stimulated by a particular hormone it has receptors to, it will increase the number of receptors it has through ______
Answers
If a target cell is continually under stimulated by a particular hormone it has receptors to, it will increase the number of receptors it has through Up regulation.
Upregulation refers to the process by which a target cell increases the number of receptors it has in response to low or inadequate stimulation by a hormone. When a target cell is not receiving enough stimulation from a specific hormone, it can enhance its sensitivity and responsiveness by increasing the number of receptors available for binding.
By upregulating the receptors, the target cell becomes more receptive to the hormone, allowing for a stronger response when the hormone is present in sufficient quantities. This compensatory mechanism helps the target cell adapt to the low stimulation and maintain its responsiveness to the hormone.
Upregulation is a homeostatic response that aims to restore or enhance the cell's sensitivity to a hormone when it is continually under-stimulated. It is an example of a feedback mechanism in the endocrine system that helps maintain proper hormone signaling and balance in the body.
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In your own words, explain how a person may taste the bitterness of PTC by using the following vocabulary words in your explanation (choose any order): trait, gene, genotype, phenotype, and alleles. Type each vocabulary word in ALL CAPS as you use it in your explanation. In this explanation, you can treat PTC taste sensitivity as a single-gene trait.
Answers
Answer:
20
Explanation:
ALNRETXE- a kind of fertilization outside the female body
:D
Answers
\(\color {pink}\boxed{\colorbox{white} {✦External✦}}\)
hope it helps you<3
1
In (mutualism, parasitism,commensalism) both organisms benefit.
Answers
Answer:
Mutualism is a symbiotic relationship in which both species benefit. Commensalism is a symbiotic relationship in which one species benefits while the other species is not affected. Parasitism is a symbiotic relationship in which one species (the parasite) benefits while the other species (the host) is harmed.Identify the types of worms in the drawing. Explain the reason for your identification.
Answers
In the image, we can see a round segmented worm (A) and a flat unsegmented worm (B).
Worm A seems to belong to the phylum Annelid, which members are characterized by having its body divided into multiple segments, while worm B seems to be part of the Platyhelminthes phylum, with flat and unsegmented bodies given that they don't have a circulatory system.
1. Complete a dichotomous key for the 10 leaves on the Common Leaves sheet. The chart provided here allows for 11 pairs of statements. Depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.
Statement Types/Dichotomous key for leaves Identification Name/Number of Leaves
Statement 1a Click or tap here to enter text.
go to statement or identify leaf Click or tap here to enter text.
Statement 1b Click or tap here to enter text.
go to statement or identify leaf Click or tap here to enter text.
Answers
This dichotomous key should help you identify the leaves on the Common Leaves sheet by asking a series of yes/no questions and directing you to the appropriate leaf based on your answers.
Sure! Here's a dichotomous key for the 10 leaves on the Common Leaves sheet:
1a. Leaves are needle-like or scale-like (go to Statement 2)
1b. Leaves are not needle-like or scale-like (go to Statement 3)
2a. Leaves are arranged in clusters (go to Statement 4)
2b. Leaves are not arranged in clusters (go to Statement 5)
3a. Leaves are broad and flat (go to Statement 6)
3b. Leaves are not broad and flat (go to Statement 7)
4a. Clusters of leaves have 2 needles (go to Leaf 1)
4b. Clusters of leaves have more than 2 needles (go to Leaf 2)
5a. Leaves are feathery and fern-like (go to Leaf 3)
5b. Leaves are not feathery and fern-like (go to Statement 8)
6a. Leaves are heart-shaped (go to Leaf 4)
6b. Leaves are not heart-shaped (go to Statement 9)
7a. Leaves have a sawtooth edge (go to Leaf 5)
7b. Leaves do not have a sawtooth edge (go to Statement 10)
8a. Leaves have rounded lobes (go to Leaf 6)
8b. Leaves do not have rounded lobes (go to Statement 11)
9a. Leaves have a waxy texture (go to Leaf 7)
9b. Leaves do not have a waxy texture (go to Leaf 8)
10a. Leaves have deeply cut lobes (go to Leaf 9)
10b. Leaves do not have deeply cut lobes (go to Leaf 10)
Leaf 1: White Pine
Leaf 2: Red Pine
Leaf 3: Maidenhair Fern
Leaf 4: Sweetgum
Leaf 5: Red Maple
Leaf 6: Sugar Maple
Leaf 7: Magnolia
Leaf 8: Dogwood
Leaf 9: Oak
Leaf 10: Ginkgo
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