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A group of plant eating animals are separated from their population . In new environment , the only edible vegetation grows at the top of tall trees. Which of the following variations would be most useful adaptation to members in the group?
a. A decrease in predation on finches.
b. evolution
a. Their DNA will mutate to a new form
d. Environmental changes kill weaker members of the species
Whether the new fur color gene will increase the survival of mice and their offspring
b. a long neck that can access available food
d. Adaptations result from variations only if they help an organism survive
b. selective breeding
Which of the following best describes the relationship between variations and adaptations?
a. A decrease in predation on finches.
b. evolution
a. Their DNA will mutate to a new form
d. Environmental changes kill weaker members of the species
Whether the new fur color gene will increase the survival of mice and their offspring
b. a long neck that can access available food
d. Adaptations result from variations only if they help an organism survive
b. selective breeding
If a population of organisms is unable to adapt to change in the ecosystem , what will most likely happen?
a. A decrease in predation on finches.
b. evolution
a. Their DNA will mutate to a new form
d. Environmental changes kill weaker members of the species
Whether the new fur color gene will increase the survival of mice and their offspring
b. a long neck that can access available food
d. Adaptations result from variations only if they help an organism survive
b. selective breeding
Which of the following factors has the greatest effect on whether the new fur color will become more common in the mouse population?
a. A decrease in predation on finches.
b. evolution
a. Their DNA will mutate to a new form
d. Environmental changes kill weaker members of the species
Whether the new fur color gene will increase the survival of mice and their offspring
b. a long neck that can access available food
d. Adaptations result from variations only if they help an organism survive
b. selective breeding
Over a long period, species ' limbs shrink. Eventually , a new species is formed that travels entirely on its belly . Scientist would consider this an example of ?
a. A decrease in predation on finches.
b. evolution
a. Their DNA will mutate to a new form
d. Environmental changes kill weaker members of the species
Whether the new fur color gene will increase the survival of mice and their offspring
b. a long neck that can access available food
d. Adaptations result from variations only if they help an organism survive
b. selective breeding
How does natural selection lead to evolution?
a. A decrease in predation on finches.
b. evolution
a. Their DNA will mutate to a new form
d. Environmental changes kill weaker members of the species
Whether the new fur color gene will increase the survival of mice and their offspring
b. a long neck that can access available food
d. Adaptations result from variations only if they help an organism survive
b. selective breeding
On the Galápagos Islands, finches adapted over time to different food sources through changes in their beak structure. Which of the following most likely resulted from the finches’ beak structure adaptations? (14a) (Level 2)
a. A decrease in predation on finches.
b. evolution
a. Their DNA will mutate to a new form
d. Environmental changes kill weaker members of the species
Whether the new fur color gene will increase the survival of mice and their offspring
b. a long neck that can access available food
d. Adaptations result from variations only if they help an organism survive
b. selective breeding
What process would farmers use to produce vegetable that will grow in a specific climate?a
a. A decrease in predation on finches.
b. evolution
a. Their DNA will mutate to a new form
d. Environmental changes kill weaker members of the species
Whether the new fur color gene will increase the survival of mice and their offspring
b. a long neck that can access available food
d. Adaptations result from variations only if they help an organism survive
b. selective breeding
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