Page 294: Questions 1-5
1. The process by which a species becomes better suited to its environment is called?
a. gradualism
b. adaptation
c. natural selection
d. reproductive isolation
2. Anatomical structures that share a common ancestry are called _____ structures.
a. vestigial
b. homologous
c. analogous
d. evolutionary
3. In the Grants' study, the effect of climate on the size of the finch's beak is an example of...
a. speciation
b. reproductive isolation
c. fossilization
d. natural selection
4. The process by which isolated populations of the same species become new species is called?
a. speciation
b. reproductive isolation
c. genetic variation
d. natural selection
5. For each pair of terms, explain the differences in their meanings.
a. adaptation, natural selection
b. extinction, reproductive isolation
c. population, subspecies
d. homologous, vestigial
e. divergence, speciation
Page 295: TAKS Test Prep Questions
1. The diagram implies that warbler finches and armadillos
a. are unrelated
b. share a recent common ancestor
c. share a remote common ancestor
d. did not evolve from older forms of life
2. Which organism has DNA that is probably most similar to the glyptodont's DNA?
f. woodpecker finch
g. warbler finch
H. finch-like bird
J. armadillo
3. Because the woodpecker finch and the warbler finch are different species, they probably...
a. cannot interbreed
b. lack homologous structures
c. develop from very different embryos
d. are more similar to glyptodonts than to each other
#15 Concept Map Question:
Make a concept map that shows how natural selection leads to speciation. Try to include the following terms in your map: evolution, natural selection, genetic variation, environment, speciation, and divergence.