Chapter 4 Test Review #2

Which of the following best describes a population?

• members of the same species living in the same place at the same time

• all the red birds in an area

• all types of organisms living in the same place

• all members of the same species

One way that bacteria and fungi are important to the environment is that they:

• create abiotic factors important to ecosystems.

• use the sun’s energy to make their food for other organisms.

• are abiotic factors that give organisms nutrients.

• break down and maintain biotic factors in ecosystems

The picture (with the fish) represents what process?

• evolution by natural selection

• coevolution

• evolution by artificial selection

• adaptation

The wide varitey of beak sizes in finches (in the picture above) is most likely the result of:

• differences in diet

• differences in geographic area

• different ecological niches

• all of the above

The diagram illustrates which process?

• Natural Selection

• Artificial Selection

• Selective Evolution

• Natural Evolution

If an insect can no longer be killed by a particular insecticide, it has developed a(n) ____________________ to the chemical.

• resistance

• adaptation

• artificial

• natural selection

The living and once living parts of an ecosystem, including all the plants and animals, are ____________________ factors in the ecosystem.

• biotic

• abiotic

• community

• species

Raccoons, bears and abiotic factors in Tennessee are members of the same ____________________, while all the raccoons in a forest in Wisconsin are a(n) ____________________ of raccoons.

• ecosystem, population

• population, ecosystem

• species, community

• community, species

The place where an organism lives and that has the resources the organism needs is its ____________________.

• habitat

• community

• population

• ecosystem

Darwin proposed that _________________________ is the mechanism for _________________________, the change in the genetic characteristics of a population from one generation to the next.

• natural selection, evolution

• evolution, natural selection

• artificial selection, evolution

• evolution, artificial selection