A student wants to know the effect a mutation might have on a species’ survival. The change causes a rabbit to have mottled (spotted) brown fur. The student runs a computer simulation for ten generations. What possible conclusions can you draw? Choose ALL that apply.
Question 2 options:
Evolution occurred because the allele frequency changed over time.
Evolution is not occurring, mutation just introduced a new trait in the gene pool.
The rabbits with mottled brown fur have a selective advantage that gives them more camouflage from predators.
The mottled brown fur mutation is neutral because the other fur color traits still appear in the rabbit population.
The mutation had a positive effect, allowing those rabbits with the mottled brown fur to survive and reproduce better than those with the brown or white fur.
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Answer:
a,c,e
Explanation:
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Related Questions
make a in a sentence to uwuwpbrnjb
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The answer is yes
Which of the following does NOT contribute to bacteria's large diversity Small size, Ability to reproduce quickly, Diverse habitats, None of the above
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What is the responsiblity of individual in creating safe environment?
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Answer:
The most important responsibility of an individual is to conserve energy and prevent them from being unnecessarily wasted......
Explanation:
Each node, or intersection, on a cladogram represents a/n _______ between two species.
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Answer: common ancestor
fad diets often exclude one food group such as most dietary carbohydrates or most dietary fat. which of the following reasons best describe why it’s not a good idea to drastically limit dietary carbohydrates
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Dietary carbohydrate restriction is not a good idea because it can result in decreased energy, nutrient deficiencies, and disruption of the gut microbiome. It can also increase the risk of chronic disease.
What are fad diets frequently based on?A fad diet usually has some or all of the following characteristics: It guarantees a quick fix. Promotes 'magic' foods or food combinations. Food can the ability to alter body chemistry.
What foods do fad diets include?Some promote specific foods, such as cabbage, probiotic foods, or raw foods. Diets that are high in fat, low in carbohydrates, or high in protein may also be included. They eliminate important nutrient sources, such as grains. Alternatively, certain ingredients, such as lectins, are eliminated.
What exactly are fad diets and why are they harmful?When you follow a fad diet, you pay more attention to what you eat. However, the majority of the weight you lose is likely to be water and lean muscle, rather than body fat. It is also difficult to meet the requirements of a strict diet. Fad diets frequently restrict your food options or force you to eat the same foods over and over.
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10. Darius wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly. a. Independent Variable (IV): b. Dependent Variable (DV); C. Control: d. Constants:
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Independent Variable: Mass of plane
Dependent Variable: Distance plane flies
Control: Plane without paper clips
Constant: Type of paper, how it was thrown.
Paper clips can serve as temporary hangers for lightweight objects like miniature picture frames or strings of festive lights. The collection can be displayed on the wall using tape or hooks once each item has been fastened to a paper clip. A paper plane is a model airplane that is often formed using a single folded sheet of paper or paperboard as a glider.
A paper dart is a straightforward, nose-heavy paper airplane that is hurled like a dart. Paper aircraft are actually gliders that use altitude to propel themselves forward. When the air pushes up harder than the air pushing down above an airplane wing, lift is created. The differential in pressure is what makes it possible for the plane to fly.
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4. Calculate the kinetic energy of a Hollywood star running from the paparazzi. The star's mass is 45.0 kg, and the star is running at
a velocity of 3.00 m/s.
a) 203 J
b) 303.75 J
c) 405 J
d) 67.5 J
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Answer:
i do not know
Explanation:
Answer:
A
Explanation:
=122
In a plant in which fuzzy leaves (f) are dominant over smooth leaves (), which of the following crosses will produce only offspring with smooth leaves.
a. ff x ff
b. ft x ff
c. ft * ft
d. FF * FF
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Answer:
a
Explanation:
ff x ff is the cross that will produce only offspring with smooth leaves.
What is cross?Cross means breeding of parents to produce offspring.
What is produce?Produce means to generate.
What is offspring?Offspring is the product of a cross.
f is the recessive allele of smooth leaves whereas F is the dominant allele of fuzzy leaves.
So the cross ff will give all smooth leaves where as FF will give all fuzzy leaves.
Hence the correct option is (a).
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4. EXPERIMENT: 3ml of starch solution is placed into two test tubes (#1 and #2). Lugol's solution is
added to tube #1. Benedict's solution is added to tube #2 and the tube is incubated at 37 C degrees
for 30 minutes.
What color is seen in tube #1?
In tube #2?
Explain these results:
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Answer:
Tube 1- blue-black colour
Tube 2- blue colour
Explanation:
Lugol's solution was first prepared by a French Physician, Jean Guillaume August Lugol. It was formerly used as a tuberculosis therapy and it consists of iodine and potassium iodide. It is still used as medication for iodine deficiency and also as an antiseptic.
Benedict's solution is used to test for reducing sugars.
Starch is known to react with iodine to form a blue-black starch-iodide complex. Hence, when a solution of Lugol's reagent is added to the starch, a blue-black colouration is observed due to the formation of the starch iodide complex.
Starch does not react with Benedict's solution because the reducing moieties in starch are not free. When starch reacts with Benedict's solution, even at 37°C, the solution remains blue because the starch ahas not been hydrolysed in order to enable reaction with Benedict's solution.
Many plants produce seeds which have small hooks on them. These hooks will attach to animals as they move past the plants. What process do these hooks help the plant with?
A. pollination
B. fertilization
C. germination
D. seed dispersal
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The hooks allow the seed to attach themselves to animals that travel long distances which helps the seeds to be dispersed farther.
Which two parts of the cell are unique to plant cells?
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Answer:
Cell wall, chloroplast, vacuole. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
Explanation:
The main difference between plant cells and animal cells are cell wall and chloroplast , whereas for the vacuole plants have a vacuole called vescile which is not the same as the vacuole in plant cells.
Vacuoles are very large as they are needed to store water and they mostly contain water and sugars . On the other hand, vesicles are small and contain water, nutrients, enzymes, wastes, solution of water or food etc. This is the key difference between vacuoles and vesicles. hope it helps :)
is it important to have circulatory system for single cell or multicellular organism?
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How might nutrition and exercise influence whether or not an individual develops a disease for which they have an inherited higher risk?
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Answer:
Nutrition and exercise are directly related to certain genetically influenced diseases, such as obesity. Individuals who inherit genes conferring a higher risk of obesity may be able to avoid any issues through good nutrition and exercise habits.
Explanation:
Took quiz edge 2021
The impact on the nutrition and exercise for developing the disease should be like high obesity risk that represent the inherited higher risk.
Reason of impact on the nutrition and exercise:
The nutrition and the exercise are inter-related and it impacted the diseases like the obesity, high blood pressure, diabetes, etc.
The individuals that inherit genes that conferred represent the high obseity risk should capable for avoiding the issues via the good nutrition and have the habit of exercise.
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which of the following best describes Mendel's idea of segregation?
A. Male offspring receive traits only from the male parent.
B. Female offspring receive only form the male parent.
C. Each parent has two copies of each gene and passes on only one copy to its offspring.
D. Each parent has one copy of each gene. each offspring receives half of its genes from each parent.
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Answer:
C
Explanation:
Since we know about mitosis and sexual reproduction, each parent passes on only one copy of the gene because they got a copy of a gene from each of their parent before, and the new child will end up with two genes, one from each parent.
HELP PLEASE ITS DUE SOON OFFERING 25 POINTS
THANK YOU!
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2. Glucose energy is stored as glycogen, with the majority of it in the muscle and liver.
Examples:
1. Beans and legumes, such as black beans, chickpeas, lentils and kidney beans.
2. Fruits, such as apples, berries and melons.
3. Whole-grain products, such as brown rice, oatmeal and whole-wheat bread and pasta.
4. Vegetables, such as corn, lima beans, peas and potatoes.
ignments
Imagine you have 2 black mice with (Bb) alleles and you want a generation of all brown mice.
How would you get only brown offspring by breeding the mice you have?
..
Hint: You might have to cross mic from different generations.
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Explanation:
At the third filial generation all brown offsprings are produced
I will mark brainliest
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Answer:
A is the correct answer
Explanation:
Algae Collects Co2 for photosynthesis in the ocean.
Recently, oil from rectangle resulted in a disaster and ecosystems containing many unique species. The potential loss of these species could result in
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The potential loss of unique species due to a disaster is referred to as mass extinction. When large numbers of species disappear over a short time period then it is called mass extinction.
Biodiversity threats include burning fossil fuels and deforesting forests and other wildernesses for industrial agriculture. Other human activities, such as wildlife poaching and hunting, can also have serious impacts.
When ecosystem services no longer adequately meet social needs, biodiversity loss can have far-reaching, direct human health consequences. In addition, ecosystem services impact indirectly on livelihoods, incomes, local migration, and, in some cases, political conflict.
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Which statement is true of the Milankovitch cycles?
Earth is not currently a part of any cycle that would result in greater warming.
The orbital eccentricity cycle is putting the Earth closer to the sun.
The axial tilt is greater now than it has been, giving us hotter summers and colder winters.
The axial precession is pointed toward the sun, increasing climate warming.
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Answer:
Earth is not currently a part of any cycle that would result in greater warming.
Explanation:
which answer is the right one need help ?
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When lava flows from volcanoes that aren't explosive, the lava forms a large, extrusive volcanic feature. What's the name for this extrusive feature?
A. Volcanic plateau
B. Epicenter
C. Lava cap
D. Basalt columns
Answers
Because is form after an small eruption that isn’t explosive
how and why does DNA change during meiosis
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Answer:
When recombination occurs during meiosis, the cell's homologous chromosomes line up extremely close to one another. Then, the DNA strand within each chromosome breaks in the exact same location, leaving two free ends. Each end then crosses over into the other chromosome and forms a connection called a chiasma.
Explanation:
HELP ME ANSWER THESE 4 QUESTIONS IM BEGGING PLEASE!!! the deadlines in 2 days
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6. The mechanism of evolution is the genetic drift.
7. The mechanism of evolution is the natural selection.
8. This is an example of artificial selection.
9. The model of evolution is the speciation or macroevolution.
What is natural selection?Natural selection is described as the differential survival and reproduction of individuals due to differences in phenotype.
The mechanism of evolution when a volcano on the island erupts, and by chance, most of the spoon-beak birds are killed scenario is genetic drift and refers to the random change in allele frequencies in a population due to chance events, such as natural disasters or random death.
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Develop a drug that decreases the cell density of the microbial infection.The following is an excerpt from a scientific paper written by Pan & Ren.Since the discovery in 1960s, a cell-cell signaling system known as quorum sensing (QS) has been identified in numerous microbial species. During cell growth, small signaling molecules are synthesized and secreted into the surrounding environment. As a result, the local QS signal concentration increases with cell density. When the cell density is above a certain threshold, a significant amount of signaling molecules bind to intracellular or membrane receptors and trigger the expression of a series of genes to control a wide spectrum of phenotypes.Pan, J. & Ren, D. (2009). Quorum sensing inhibitors: a patent overview. Expert Opinion on Therapeutic Patents, 19(11), 1581-1601. doi:10.1517/13543770903222293Some microbes use QS signaling pathways to trigger the expression of virulence genes. The expression of these genes enhances the virulence, or harmfulness, of the microbial infection.Which of the following represents the best method to decrease the virulence of a microbe capable of QS?
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The best method to decrease the virulence of microbe capable of QS is to develop a drug that decreases the cell density of the microbial infection.
What is meant by virulence?An ability of an organism to infect the host and cause a disease is described as virulence. Virulence factors are molecules that assists the bacterium to colonize the host at the cellular level. And these factors are secretory, membrane associated or cytosolic in nature.
Exotoxins is one of the most significant virulence factors of bacteria. is When released by bacteria, exotoxins interrupt and dysregulate important cellular processes. They also help in the bacterial proteins' capacity to invade tissues.
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igneous rock determined 25 million year old plate movement transported 100,000 meters. How fast is plate moving?
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Answer:
0.004 m/yr.
Explanation:
Hello!
In this case, since the velocity of any object is computed by dividing the travelled distance by the elapsed time, we obtain:
\(V=\frac{distance}{time}\\\\V=\frac{100,000m}{25,000,000yr}\\\\V=0.004m/yr\)
It means that the plate moves 0.004 m every year.
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True or False: it is believed that hyper sanitation may lead to an allergy epidemic.
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It is believed that hyper sanitation may lead to allergy epidemic : True.
Why does hyper sanitation causes an allergy epidemic?There is a hypothesis known as the hygiene hypothesis, which suggests that increased cleanliness and reduced exposure to certain microbes and parasites in childhood can cause overactive immune system and increased risk of developing allergies and autoimmune diseases later in life.
While the exact mechanisms are still being studied, some researchers believe that excessive use of antibiotics and disinfectants and lack of exposure to microbes and parasites, may be contributing factors to the rise in allergies and autoimmune diseases in the recent decades. It is important to note that this is still a developing area of research and more studies are needed to fully understand relationship between hygiene and allergies.
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1. Which of the following is the best evidence that two birds belong to the same species?
A. The two birds eat the same food.
B. The two birds have common behaviors.
C. The two birds are the same size and color.
D. The two birds mate and produce fertile offspring.
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How is an HIV infection different from a cold virus infection?
A. HIV is killed by macrophages.
B. HIV is a bacteria.
C. HIV is a lipase.
D. HIV attacks helper T cells.
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Answer:
HIV attacks helper T cells.
Explanation:
The correct answer is that HIV attacks helper T cells, while a cold virus infection does not. That is in Option D, as an HIV (human immunodeficiency virus) infection and a cold virus infection are caused by two different types of viruses.
What is HIV?HIV is a retrovirus, which means that it contains RNA as its genetic material instead of DNA. When the virus infects a host cell, it uses an enzyme called reverse transcriptase to convert its RNA into DNA, which is then integrated into the host cell's genome. This allows the virus to hijack the host cell's machinery and produce more copies of itself, which can then infect other cells in the body. One of the main targets of HIV infection is the CD4+ T cell, also known as the helper T cell. Helper T cells play a key role in the immune system by helping to activate and coordinate other immune cells, such as B cells and cytotoxic T cells.
Hence, the correct answer is that HIV attacks helper T cells, while a cold virus infection does not. That is in Option D.
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what is technology biology
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Answer:
biotechnology is technology based on biology - biotechnology harnesses cellular and bio-molecular processes to develop technologies and products that help improve our lives and the health of our planet.
which will cause an increase in runoff and infiltration in an area
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Answer:
More slopes on the ground, opened areas or potholes/sinkholes
Explanation: