12. The _ _ perspective see retirement and our treatment of older individuals as providing the useful function of the transfer of statuses and roles from older workers to younger workers who may possess
The Structural Functionalist perspective sees retirement and our treatment of older individuals as providing the useful function of the transfer of statuses and roles from older workers to...
The answer is based on the principle of thermal convection, which is the movement of material due to differences in temperature and density. In Earth's...
1. Scientists who study life through the fossil record are called
..
a. paleontologists
c. molecular biologists
b. zoologists:
d. geneticists
2. Which term describes structures similar in purpose but not inherited from
common ancestors?
a. homologous .
b. analogous
•c. vestigia.
d. embryonic
3. Change in a population over a period of time is known as
a. biogenesis
•Ce evolution,
b. extinction
d. periodic catastrophe
4. What is the hip bone of a python an example of?
a. biochemical structure
b. fossil record
c. homologous structure
: di. vestigial structure
5. Which is not a reason for our fossil record being incomplete?
a. soft bodies of some organisms
c. production of fake fossils
b. fossils being hard to find
-el. erosion..
6. During Darwin's visit to the Galapagos Islands, what did he observe about finches?
a. Each different group of finches had its own niche,
b. There were no differences between groups of finches.
c. Different groups of finches had the same niche
d. The species resulted from coevolution.
7. Which is not part of the theory of natural selection?
a. Variation within populations :. c. populations grow exporentially.
b. many die, few survive
d. favorable variations
8. Whenever two populations try to occupy the same niche,
a. they work together
%. natural selection does not take place
b. the gene pool shrinks
d. competition arises
9. Selection against the most common variation is known as
a. variable selection
c. directional selection
b. disruptive selection
d. nonvariable selection
10. A population of organisms that can interbreed to produce fertile offspring is a(n)
a, evolved population
b. niche
c. adaptive radiation
d. species
11. When environmental conditions favor individuals at one extreme of the normal
distribution,
a. distribution of characteristics does not change
b. there is no selection
c. directional selection takes place
d. stabilizing selection takes place
Answer
1. a. paleontologists
2. b. analogous
3. c. evolution
4. d. vestigial structure
5. c. production of fake fossils
6. a. Each different group of finches had its own niche
7. c. populations grow exponentially
8. d. competition arises
9. b. disruptive selection
10. d. species
11. c. directional selection
The correct word pair that completes the analogy is musician: instrument. An athlete is related to a sport, and a musician is related to an instrument...
Raleigh's presence on Osborne's bed is significant because it symbolizes the close relationship between the two characters. Raleigh is a young man who has...
The four principles of government are federalism, separation of church and state, popular sovereignty, and representative government. Federalism is the division of power...