Honors Biology Evolution Study Guide with Questions and Correct Answers
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Course
Honors Biology
Institution
Honors Biology
How did Lamarck explain changes in organisms? He hypothesized that acquired traits arise during an organisms lifetime as a result of the organism's experience or behavior
How did Charles Darwin explain changes in organisms? He reasoned that the environment limits the growth of the population by in...
Honors Biology Evolution Study Guide
with Questions and Correct Answers
How did Lamarck explain changes in organisms? ✅He hypothesized that acquired
traits arise during an organisms lifetime as a result of the organism's experience or
behavior
How did Charles Darwin explain changes in organisms? ✅He reasoned that the
environment limits the growth of the population by increasing the rate of death
(modification by natural selection) and that newer forms appearing in the fossil record
are actually modified descendants of the older species (descent with modification)
Both Lamarck and Darwin agreed about the idea of descent with modification. What
does that mean? ✅They both believed that similar species descended from a common
ancestor
Why were the Galapagos Islands a good place for Darwin to explore his theories about
evolution? ✅It was untouched by humans
What was unique about the Galapagos Islands? ✅Each island had different
environments
What did Darwin believe about different species found on different islands? ✅They all
derived from a common ancestor but they became different because of their
environment
What questions would the theory about descent with modification answer about the
finch populations? ✅Do they have a common ancestor?
What questions would the theory of natural selection answer about the finches on each
island? ✅Why did certain traits become more predominant in a population?
What does studying the embryology of several species contribute to understanding how
things change and evolve? ✅It would show how related species or populations are and
show how they develop differently
What evidence does the fossil record provide to show that living organisms are
evolving? ✅There are similarities visible
What is a vestigial organ? ✅Features that seem to serve no useful function
Give a few examples of vestigial organs. ✅human appendix and human tailbone
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