Homework Answers
Ans)
A) heritable variation
B) breeding to increase the frequency of desired traits.
C) Fitness
D) differential reproductive success
These relate to the four conditions of natural selection that are reproduction, heredity, variation in fitness and variation in traits.
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Which of the following statement relate to natural selection f select all that apply diferential reproductive...
Which of the following statements does not play a direct role in natural selection? Read all...
Which of the following statements does not play a direct role in natural selection? Read all choices before answering the question. a) Artificial selection. b) Individuals within the population, who have the greatest reproductive fitness, are those who produce the greatest number of offspring, who survive to reproduce the subsequent F2 ("grandkids") generation. c) A species will produce more offspring than environmental resources can support. Consequently, not all individuals survive and there is a competition for limited resources. d) Competition...
HELP ASAP!! Based on the video and what you know about natural selection, which of the...
HELP ASAP!! Based on the video and what you know about natural selection, which of the following must be true if evolution is the explanation for what the Grants have observed over time on Daphne? Select all that apply. Beak depth and length must be heritable. Beak depth and length must affect survival and/or reproduction of birds. The beaks of individual birds can change depending on what food is available. Over time, individuals can evolve to better fit the environment...
6) Which of the following is (are) true of natural selection? (1 pts) It requires genetic...
6) Which of the following is (are) true of natural selection? (1 pts) It requires genetic variation It results in descent with modifications It involves differential reproductive success It requires genetic variation, results in descent with modifications, andinvolves differential reproductive success (pts) 7) Cotton topped tamarins are small primates with tufts of long white hair on their heads. While studying these creatures, you notice that males with longer hair get more opportunities to mate and father more offspring. To test...
6. Which of these conditions will lead to evolution by natural selection? a. Heavy metal pollution...
6. Which of these conditions will lead to evolution by natural selection? a. Heavy metal pollution reduces reproductive success of all phenotypes of green algae in the pond. b. Variation among individuals is not genetic; instead it results from learned behavior or physiological environmental responses. c. Introduction of an exotic predator species results in one native prey phenotype evading predation while other phenotypes get eaten. d. Individuals of the population are clones (genetically identical). 7. Which one is used as...
Part B - How does this research relate to your biology course? The following graph shows...
Part B - How does this research relate to your biology course? The following graph shows the frequency distribution of a heritable trait -- fur color -- in a hypothetical deer mouse population. The x-axis represents variation in fur color from light to dark. The y-axis represents the percentage of individuals in the population with each particular color of fur. 333 There are three ways in which natural selection can alter the frequency distribution of a heritable trait, such as...
1) Darwin's four postulates include (circle all that apply)
1) Darwin's four postulates include (circle all that apply) a) Reproductive success and survival are NOT predictable b) There is variation in a population c) Some trait differences in a population are heritable and are passed from generation to generation d) Individuals with certain traits are more likely to survive and reproduce e) All of the above are Darwin's postulates. 2) For each of the following, indicate whether the statement is True or False (circle correct choice) a) An adaptation is a behavior...
4. Which of the following traits may be acted on by natural selection? A Enzyme activity...
4. Which of the following traits may be acted on by natural selection? A Enzyme activity B Body shape C Rate of ontogenetic development D Instinctual behavior E All of the above may be acted upon as long as they are controlled by genes
1) In which of the following cases is productive efficiency improved? Select all that apply: a)...
1) In which of the following cases is productive efficiency improved? Select all that apply: a) producing more output using the same input resources b) producing less output using the same input resources c) producing the same output using fewer input resources d) producing the same output using more input resources 2) Which of the following are true about productive efficiency? I. All available resources are employed in production. II. Workers are well-paid. III. Points on the PPF curve are...
Select all of the following which are examples of primates and the traits common to this...
Select all of the following which are examples of primates and
the traits common to this order.
Select all of the following which are examples of primates and the traits common to this order. Flat nails (most) Monkeys Apes Reduced reproductive rate Binocular vision Arboreal life (most) Large, complex brain Claws Opposable thumbs Mobile limbs Prosimians
Which of the following will have units of meters? Select all that apply. 13% Part (a)...
Which of the following will have units of meters? Select all that
apply.
13% Part (a) Using dimensional analysis, determine the units of the quantity Sele Correct! 13% Part (b) Which of the following will have units of meters? Select all that apply. 2 1/2 a (Ar) 2ar Submit Hint Fedback ints:2a deduction per hint. Hints remaining: Feedback: 1 for a 50% deduction The units of v Ar are m's/s m/s2 One or more choices in your selection 13% Part...
Which of the following statements does not play a direct role in natural selection? Read all choices before answering the question. a) Artificial selection. b) Individuals within the population, who have the greatest reproductive fitness, are those who produce the greatest number of offspring, who survive to reproduce the subsequent F2 ("grandkids") generation. c) A species will produce more offspring than environmental resources can support. Consequently, not all individuals survive and there is a competition for limited resources. d) Competition...
6) Which of the following is (are) true of natural selection? (1 pts) It requires genetic variation It results in descent with modifications It involves differential reproductive success It requires genetic variation, results in descent with modifications, andinvolves differential reproductive success (pts) 7) Cotton topped tamarins are small primates with tufts of long white hair on their heads. While studying these creatures, you notice that males with longer hair get more opportunities to mate and father more offspring. To test...
6. Which of these conditions will lead to evolution by natural selection? a. Heavy metal pollution reduces reproductive success of all phenotypes of green algae in the pond. b. Variation among individuals is not genetic; instead it results from learned behavior or physiological environmental responses. c. Introduction of an exotic predator species results in one native prey phenotype evading predation while other phenotypes get eaten. d. Individuals of the population are clones (genetically identical). 7. Which one is used as...
Part B - How does this research relate to your biology course? The following graph shows the frequency distribution of a heritable trait -- fur color -- in a hypothetical deer mouse population. The x-axis represents variation in fur color from light to dark. The y-axis represents the percentage of individuals in the population with each particular color of fur. 333 There are three ways in which natural selection can alter the frequency distribution of a heritable trait, such as...
Select all of the following which are examples of primates and
the traits common to this order.
Select all of the following which are examples of primates and the traits common to this order. Flat nails (most) Monkeys Apes Reduced reproductive rate Binocular vision Arboreal life (most) Large, complex brain Claws Opposable thumbs Mobile limbs Prosimians
Which of the following will have units of meters? Select all that
apply.
13% Part (a) Using dimensional analysis, determine the units of the quantity Sele Correct! 13% Part (b) Which of the following will have units of meters? Select all that apply. 2 1/2 a (Ar) 2ar Submit Hint Fedback ints:2a deduction per hint. Hints remaining: Feedback: 1 for a 50% deduction The units of v Ar are m's/s m/s2 One or more choices in your selection 13% Part...
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