Picture a desert habitat. It's hot, dry, and sandy. It's not a very colorful landscape, and it doesn't rain very often. Design your own "perfect organisms" - one plant and one animal Draw your organisms, label their adaptations, and write 2-3 sentences explaining why they're perfect for the desert environment.
Answers
Mountainous terrain limited bridges and roads limited bridges and roads lack of navigable
Rivers lack of navigable rivers limited access to ports limited access to ports
In Greece, inland travel and trade was difficult due to the desert-like landscape, hot and dry inland climate, monsoon rains that created a muddy landscape, mountainous terrain, limited bridges and roads, lack of navigable rivers, and limited access to ports.
Navigating the terrain and crossing the rivers to transport goods was extremely challenging. This proved to be a major barrier to trade and commerce in the region, as goods had to be transported over difficult terrain, making it difficult and expensive to move goods from one area to another
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Question 9 of 10
What should you expect to observe from a cross of two individuals that are
heterozygous for two characteristics? (Assume that at least 100 offspring are
produced.)
OA. The offspring will show only one combination of traits, and both
traits will be recessive.
OB. The offspring will show two different combinations of only the
dominant traits.
OC. The offspring will show eight different combinations of the
dominant and recessive traits.
OD. The offspring will show four different combinations of the
dominant and recessive traits.
Answers
The correct answer is OD. The offspring will show four different combinations of the dominant and recessive traits.
What happens when two individuals are heterozygous?When two individuals are heterozygous for two characteristics, it means that they carry one dominant allele and one recessive allele for each trait. During gamete formation, these alleles can segregate in different ways and combine in various combinations in the offspring.
Using a Punnett square to represent the possible gamete combinations, we can determine that there are four different combinations of dominant and recessive traits that can be observed in the offspring:
Offspring with both dominant traits (DD): 25% probabilityOffspring with one dominant trait and one recessive trait (Dd): 50% probabilityOffspring with one recessive trait and one dominant trait (dD): 50% probabilityOffspring with both recessive traits (dd): 25% probabilityTherefore, the correct answer is that the offspring will show four different combinations of the dominant and recessive traits (OD).
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please help me on this its due in class
instructions: I need 5 pros/cons and it needs to be about bringing the woolly mammoth back to life
Answers
Answer:
Pros:
You can get more scientific knowledge of the mammothYou will be able to clone the mammoth easierHelping the environmentIt will help protect species that are close to extinction(can't think of anything else, sorry )Cons:
Different environmentCould go wrong and become an alienCould carry retroviruses which can harm humansMight CHANGE the environment for the worseIt might cause more species to go extinctIn humans, the pelvis and femur are involved in walking. In whales, the pelvis and femur shown in figure 2 are:a) vestigial structuresb) acquired structuresc) examples of fossilsd) examples of natural variation
Answers
Whales are adapted to marine life and are no longer able to walk on firm land. This means that the pelvis and femur are no longer needed and thus they eventually atrophied.
These kinds of structures, that have lost their original function, are known as vestigial structures.
This means A, vestigial structures, is the right answer.
What is the inverse of the statement?
A number that has exactly two distinct factors is prime.
If a number has exactly two distinct factors, then the number is prime.
If a number does not have exactly two distinct factors, then the number is not prime.
If a number is not prime, then the number does not have exactly two distinct factors.
If a number is prime, then the number has exactly two distinct factors.
Answers
Answer:
If a number does not have exactly two distinct factors, then the number is not prime.
Explanation:
In an inverse statement, both the hypothesis and conclusion are negated. So, "If A. then B" turns into "If not A, then not B."
If you the conditional is already negated, then you would turn it positive.
Hope it helps! :)
True or false. Polypeptides are made up of a string of nucleotides ?
Answers
Answer:
True
Explanation:
Polypeptides are made from sequence of nucleotides which form a polypeptide chain; all proteins are made from one or more linked polypeptide chains.
Answer:
false
Because not string of nucleotides
Green eyes and brown eyes are two different forms of a single gene. This is an example of what?
1.alleles
2.chromosomes
3.genes
4.DNA
Answers
Answer:
Chromosomes
Explanation:
Chromosome 15 is what plays a major role in eye color
which of the following statements is TRUE of nonmetallic metals?
a.They are not mined for their metal content.
b. They do not contain
metals.
c. They have no value.
d. They are used as energy sources.
Answers
None of the statements is true of nonmetallic metals.
Nonmetallic metals are not a recognized classification of materials. Metals are elements that have a characteristic luster, are good conductors of heat and electricity, and are generally malleable and ductile. Nonmetals, on the other hand, tend to be brittle, poor conductors of heat and electricity, and have a variety of physical properties.
It is possible that the term "nonmetallic metals" is a confusion or misnomer with the term "metallic minerals", which refers to naturally occurring inorganic compounds that contain metals in their composition. Metallic minerals are often mined for their metal content, and have many uses in industry, construction, and technology. Examples of metallic minerals include copper, iron, gold, silver, and aluminum.
Therefore, option a) is not true because metallic minerals are indeed mined for their metal content. Option b) is not true because nonmetallic metals are not a recognized classification. Option c) is not true because metallic minerals have value. Option d) is not true because nonmetallic metals do not exist.
Blink-blanks use a complex mathematical formulas to predict temperatures win cloud formation and prediction
Answers
Answer:
Weather forecasting is the application of science and technology to predict the conditions of the atmosphere for a given location and time.
Explanation:
How waste is removed from plant body ?
Answers
Answer:
Living organisms sustain life, based on certain life processes. These life processes help to regulate their daily activities. Excretion is one among them. The metabolism takes place in the cells of living organisms resulting in both useful and toxic products. The accumulation of toxins may harm the organism. Thus, the living organisms remove all these metabolic wastes from their body and this process is called excretion. Different organisms follow different modes of excretion. Let’s have a glance at excretion in plants and how excretion in plants is different from that of animals.
Explanation:
I hope you can help buddy (:
Answer:
the excretory organ removes these westes.
this process of removal of metabolic waste from the body is known as excretion
Which of the following is a critical factor driving evolution?
Environmental conditions
Health in comparison to similar organisms
Ability to acquire food
Strength in comparison to similar organisms
All of these are equally important
Answers
all of these are equally important, what if there is an option for natural selection, natural selection would be the most important but for this it's all these are equally important.
The critical factor driving evolution is strength in comparison to similar organisms.
According to Charles Darwin, Organisms that are better able to survive in their environment live long enough to reproduce and pass on these favorable traits to their offspring leading to the perpetuation of these organisms and gradual demise of other individuals of the same species who lack these favorable traits.
This is the origin of the cliché, "survival of the fittest". Hence organisms that lack certain strengths possessed by other organisms are gradually replaced by other individuals having such strengths.
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Give the % yield if 1.78 g of O₂ is produced
%Yield =
Actual Yield/
Theoretical Yield x 100%
%Yield = _________x 100%.
= ____?______ %
Answers
a) The mass of the oxygen is 1.97 g
b) The percent yield is 90.4 %
c) The mass of the oxygen is 1.55 g
What is the percent yield?We know that the percent yield has to do with the amount of the reactants that has been converted into products in the given reaction. In this case, the reaction that we are dealing with is the decomposition of the potassium oxo chlorate V molecule.
Now we have that;
a) Number of moles of the chlorate = 5 g/122.5 g/mol
= 0.041 moles
If 2 moles of the chlorate produces 3 moles of the oxygen
0.041 moles of the chlorate produces 3 moles * 0.041 moles/ 2 moles
= 0.0615 moles
Mass of the oxygen produced = 0.0615 moles * 32 g/mol
= 1.97 g
b) Percent yield = Actual/Theoretical * 100/1
= 1.78/1.97 * 100/1
= 90.4 %
c) For a percent yield of 78.5% =
Actual = Percent yield * Theoretical /100
= 78.5 * 1.97/100
= 1.55 g
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% yield = (1.78 g / theoretical yield) × 100%
To calculate the percent yield, you need to know the actual yield and the theoretical yield of the reaction.
In this case, the actual yield is given as 1.78 g of O₂. The theoretical yield represents the maximum amount of product that can be obtained under ideal conditions.
To calculate the theoretical yield, you need to know the balanced chemical equation for the reaction. Assuming the reaction is complete, the coefficients of the balanced equation can be used to determine the stoichiometry of the reaction.
For example, if the balanced equation is:
2 A + 3 B → 4 C + 2 D
Then, you can use the stoichiometry to find the theoretical yield. Let's say the molar mass of O₂ is 32 g/mol. In this case, we need to calculate the moles of O₂ using the given mass of 1.78 g:
moles of O₂ = mass of O₂ / molar mass of O₂
Next, we need to use the stoichiometry to find the moles of the desired product. Let's assume that O₂ is the limiting reactant and that it is completely converted to the product. From the balanced equation, we can see that 4 moles of C are produced for every 2 moles of O₂:
moles of C = moles of O₂ × (4 moles of C / 2 moles of O₂)
Now that we have the moles of C, we can calculate the theoretical yield of C in grams by multiplying the moles by the molar mass of C.
theoretical yield of C = moles of C × molar mass of C
Finally, we can calculate the percent yield using the formula:
% yield = (actual yield / theoretical yield) × 100%
Substituting the values we calculated:
% yield = (1.78 g / theoretical yield) × 100%
Please note that without the balanced chemical equation and additional information, it is not possible to provide a specific numerical answer for the percent yield.
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What is the normal physiological response to increased intake of sugars?
Answers
Answer:
A fast increase in blood sugar causes a rapid increase in insulin, which is the hormone responsible for allowing glucose to enter cells. High insulin levels cause glucose levels to quickly fall, which can then cause you to feel hungry again, prompting you to take in more calories.
Explanation:
Answer: A fast increase in blood sugar causes a rapid increase in insulin, which is the hormone responsible for allowing glucose to enter cells.
Explanation:
High insulin levels cause glucose levels to quickly fall, which can then cause you to feel hungry again, prompting you to take in more calories.
describe one feature about Flatback turtles that you find interesting
Answers
Answer:
Flatback turtles are sea turtles that can be recognized by their smooth flat-domed shell, or carapace, which has upturned edges along the sides. They have the coloration of olive green or a mixture of grey and green which matches the coloration of their head
Explanation:
Flatback turtles primarily eat soft-bodied prey, such as jellyfish, sea cucumbers and soft corals
Which chemical produced by the burning of fossil fuels causes acid rain?
Water
Nitric oxide
Carbon dioxide
Phosphatys
Answers
Answer:
it's carbon dioxide good luck.
The movement of tectonic plates in two different locations is shown below:
Answers
-C is wrong because its the shifting of plates
-D is wrong because A is a subduction
- A is wrong because image B doesn’t show a subduction
i hope this helps you fellow human :)
5 differences between human respiration and amphibians / 5 diferencias entre la respiracion humana y de los anfibios
Answers
We breathe through nasal cavities, amphibians through the skin, the nasal mucosa of amphibians is less specific than the human one, amphibians' lungs are primitive, they need a specific pH for breathing.
Amphibians have a primitive lung in the adult stage that is not efficient enough to be the animal's only form of respiration, which is supplied by cutaneous respiration. Thus, adult amphibians have lung breathing and skin breathing.
How does an amphibian breathe?Amphibians have three structures for breathing: the lungs, the mucous membranes of the pharynx and mouth, and the skin. The lungs are made up of two pouches with no internal division. When still in the larval stage, they breathe through gills.
What kind of respiration is found in amphibians?Pulmonary breathing occurs in all terrestrial vertebrates. In amphibians, it can be seen that, in addition to pulmonary respiration, these organisms need gas exchange performed on the surface of their body (cutaneous respiration).
With this information, we can conclude that Pulmonary breathing occurs in all terrestrial vertebrates. In amphibians have cutaneous respiration
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Cellular Respiration requires the use of __________ which are located on the _________.
A. enzymes, cytoplasm
B. proteins, cytoplasm
C. enzymes, inner membrane
D. proteins, inner membrane
Answers
Cellular Respiration requires the use of enzymes that are located on the inner membrane (Option C).
What is cellular respiration?Cellular respiration refers to a series of chemical reactions that mainly occur in the mitochondria.
The enzymes located in the inner mitochondrial membrane include ATP-synthetase, succinate-coenzyme Q reductase and respiratory enzymes.
In conclusion, Cellular Respiration uses enzymes of the inner membrane (Option C).
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In the summer of 1988, the Yellowstone National Park region experienced one of the worst wildfires in the park’s history; approximately 36 percent of the national park was burned. Wildfires are common in this area. Many smaller fires have been recorded over time. Plants in the Yellowstone region have adapted to these conditions. A species of pine tree commonly found there only releases seeds from its cones when exposed to the intense heat of a fire. Other trees and shrubs, such as aspen, willow, and sagebrush, are also found in this area. When these trees burned, vast open spaces were left in the forest. The Yellowstone region is also home to many animals, including elk, bison, black bear, moose, deer, and birds, all of which were affected by the fire. After the drought and wildfire of 1988, the greater Yellowstone region experienced normal amounts of rainfall for the next 12 years. a. Construct an argument that tells how the wildfire of 1988 affected the populations of birds and animals in the Yellowstone region. Support your answer with evidence.
Answers
Answer:
Explanation:
The wildfire of 1988 in the Yellowstone National Park region likely had a significant impact on the populations of birds and animals in the area.
One possible effect is that the fire may have directly killed some individuals of these species. Wildfires can be deadly for animals, especially those that are unable to escape the flames or that become trapped in areas with limited resources. In the Yellowstone region, many animals, including elk, bison, black bear, moose, and deer, were likely affected by the fire in this way.
Additionally, the wildfire may have disrupted the habitats of these animals, making it difficult for them to find food and shelter. The fire destroyed much of the vegetation in the area, including trees and shrubs that provide important resources for animals. This could have led to a decline in the populations of some species, especially those that depend on these resources for survival.
Furthermore, the wildfire may have affected the populations of birds in the Yellowstone region by destroying their nesting sites and food sources. Many birds, such as woodpeckers and chickadees, rely on trees and shrubs for nesting and foraging. The loss of these habitats due to the fire could have had a negative impact on the populations of these birds.
Overall, the wildfire of 1988 likely had a significant impact on the populations of birds and animals in the Yellowstone region, both directly and indirectly. The evidence suggests that the fire may have caused direct mortality and habitat disruption, leading to declines in the populations of these species
Please read the article Why Cats Have Nine Lives by Jared Diamond. Our analysis did not attempt to
answer the question of "Why" cats survive they way they do from different heights. What are some of
the assumptions the author makes that he uses in an attempt to answer this new question?
Answers
The author assumes that the question can be answered by applying principles of anatomy, physics and evolutionary biology. First reason he suggests is that cats are small and they have a favourable mass-surface area ratio. Next, he suggests that cats have soft tissues that absorb the shock and they land on all four limbs, dividing the shock. This is because of their body shape and its centre of gravity. He says that felines have this kind of body structure (that canines lack) because years of falling from trees etc. has evolved their body in this way.
The following assumptions that stem from the Straightforward theory were used by the author to explain why cats have nine lives. They include;
The larger mass of bigger animals causes more impact stress on landing.The unique vestibular systems of the cats and the gyroscopic turns they make that have their four feet pointing downwards before landing.The cats reach terminal velocity faster and extend their limbs reflexly to absorb the shock from the fall.The dissipation of the impact force due to their flexed limbs.Lastly, their evolutionary history that has seen them falling from trees frequently over the years.In his article, Jared Diamond profers several reasons why he believes that cats tend to suffer fewer injuries and fatalities after falling from different heights.
He believes that their mass which is lower in comparison to humans makes it possible for them to not suffer much impact force on landing.
The gyroscopic turns they make before landing makes it easier for them to land on their four feet thus suffering fewer injuries to the arms.
Their evolutionary history is another factor. Over the years, they have adapted so well to falling from heights.
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Formulate a hypothesis for the frequency of the tongue rollers as compared to non rollers in your school?
Answers
Hypothesis: The frequency of tongue rollers will be higher compared to non-rollers in our school.
Explanation: Based on the known genetic inheritance pattern of tongue rolling, where the ability to roll the tongue is considered dominant, we can propose that a higher proportion of individuals in our school population will possess the tongue-rolling trait. This hypothesis assumes that the majority of the school population will have at least one parent who can roll their tongue, increasing the likelihood of inheriting the dominant trait.
To test this hypothesis, a random sample of students can be selected from different grade levels within the school. Each student's tongue rolling ability can be assessed through a simple tongue rolling test. The collected data can then be analyzed to compare the frequencies of tongue rollers and non-rollers within the sample. If the observed frequency of tongue rollers is significantly higher than that of non-rollers, it would support the hypothesis that the prevalence of tongue rolling is greater in our school.
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the gametes of one individual were heterozygous?
Answers
A heterozygous individual has two different alleles for a given trait or character, therefore can produce 2n gametes.
What is a heterozygous gamete?A person who possesses two distinct alleles of a gene is said to be heterozygous for that gene.
Each of the two alleles that this person possesses for that gene will be distributed randomly among the gametes that are produced when this person reproduces. In other words, one allele will be present in half of the person's gametes, while the other allele will be present in the other half.
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Complete question;
How many different gametes are produced by an individual who is heterozygous?
Fill in the blank with the best choice. "Continued labor trouble contributes to poor
a. Morale
b. Morel
c. Moral
Answers
Answer:
a. Morale
Explanation:
A. Makes the most logical since to me.
Select the correct answer.
What is the correct order in which these structures form during the plant reproduction process?
A. embryo sac, embryo, zygote
B. embryo sac, zygote, embryo
C. zygote, embryo sac, embryo
D. embryo, zygote, embryo sac
Answers
Answer:
The answer is B
Explanation:
PLATO
Describe the mechanism of glycolysis in detail
Answers
The process of Glycolysis is a catabolic process in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .
Mechanism Of Glycolysis
The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol
Preparatory phase refers to the generation of two molecules of glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .
Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate .
Both the phases of glycolysis takes place in the cytoplasm and there are three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .
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What are the roles of different organelles in a cell?
Answers
Answer:
Functions of different cell organelles:
Nucleus: contains all the genetic material, acts as information center and tells all the organelles what to do, RNA transcription.
Mitochondria: generates energy through respiration
Endoplasmic recticulum (rough): transport and storage of material; (smooth ER): creation of lipids and fats
Ribosome: protein creation by RNA translation
Golgi apparatus: responsible for synthesis, packing and processing of proteins
Chloroplast: responsible for glucose creation (by photosynthesis)
Cytoplasm: is region where all chemical reactions take place and is the jelly like fluid that holds all the organelles in place inside of the cell
lysosome: responsible for breakdown of larger molecules
Flagellum (or flagella): tail like organelle, assists motion
Vacuole: helps in maintenance of homeostasis and stores waste products or other materials like water / food
cell membrane: separates cell from the rest of the environment and controls what comes in and out of the cell
cytoskeleton: supports cell structure
There are a number of other organelles as well but i just named some of the common ones.
Answer:
the cell sturcture
Explanation:
5. Which of the following do NOT affect the destructiveness of an earthquake?
A. depth
B. magnitude
C. location
D. human activity
Answers
The answer is human activity
I'll give brainist to the correct answer!!
Which choice is a compound?
oxygen
carbon
carbon dioxide
air
Answers
Answer:
Carbon dioxide
Explanation:
The others are just lonely elements all by themselves. A compound is when they are joined together, like carbon dioxide, or CO2, which is one carbon atom and two oxygen atoms.
What is the chain of custody?
A) the order of who gets custody of the crime scene
B) the paper trail of every person that has been in contact with the evidence throughout its seizure, collection, preservation, analysis and
disposition
C) the order of suspects
D) the people who have custody of children until the case is closed
Answers
The Amazon rainforest in South America is the largest rainforest ecosystem in the world. Ecuador's Yasuni National Park, which is in the Amazon rainforest, has many different species of plants, birds, and mammals.
Which statements describe the Yasuni National Park ecosystem? Select all that apply.
A) It has soil that is poor in nutrients
B) it has year-round rain and warm temperatures
C) it has many different types of organisms
Answers
Answer:
B & C, because the Amazon rainforest is warm and has rain all year. Also it has many different varieties of plants and animals. Since Yanuni National Park is in the Amazon rainforest, it would be the same.
Explanation:
Brainliest, Please! (And Happy Halloween!)
Answer:
b and c
Explanation:
because the Amazon rainforest is warm and has rain all year. Also it has many different varieties of plants and animals. Since Yanuni National Park is in the Amazon rainforest, it would be the same.
Brainliest, Please!
The four threats to great white shark populations on earth
Answers
Answer:
The four threats would be Poaching,Nets, Pollution,Costal development, and or hunting as well.
Explanation:
Sorry If I am Wrong.