answers verified to pass (4 pgs)
What was the prevailing notion prior to the time of Lyell and Darwin? - correct
answer ✔Earth is a few thousand years old, and populations are unchanging
During a study session about evolution, one of your fellow students remarks,
"The giraffe stretched its neck while reaching for higher leaves; its offspring
inherited longer necks as a result." Which statement is most likely to be
helpful in correcting this student's misconception? - correct answer
✔Characteristics acquired during an organism's life are generally not passed
on through genes
As a young biologist, Charles Darwin had expected the living plants of
temperate South America would resemble those of temperate Europe, but he
was surprised to find that they more closely resembled the plants of tropical
South America. The biological explanation for this observation is most
properly associated with the field of - correct answer ✔biogeography
In Darwin's thinking, the more closely related two different organisms are, the
- correct answer ✔more recently they shared a common ancestor
Natural selection is based on all of the following except - correct answer
✔individuals adapt to their environments during their lifetime and, thereby,
evolve
Given a population that contains genetic variation, what is the correct
sequence of the following events, under the influence of natural selection?1.
Well-adapted individuals leave more offspring than do poorly adapted
individuals.2. A change occurs in the environment.3. Genetic frequencies
within the population change.4. Poorly adapted individuals have decreased
survivorship. - correct answer ✔2 → 4 → 1 → 3