1. An example of a mutualism, or +/+ relationship, is ______. Select one: a. cry

Question

1.

An example of a mutualism, or +/+ relationship, is ______.

Select one:

a. cryptic coloration in frogs

b. the relationship between Virginia's warblers and orange-crowned warblers, which use some of the same resources

c. herbivory

d. the relationship between corals and unicellular algae

2.

Movement corridors are ______.

Select one:

a. harmful because they allow for the spread of disease and beneficial because they allow for dispersal

b. always created by humans

c. beneficial because they allow for dispersal, but not harmful

d. only found along stream sides

3.

Modern conservation science increasingly aims at ______.

Select one:

a. sustaining entire ecosystems

b. countering pollution

c. protection of federally listed endangered species

d. maintenance of genetic diversity within species

4.

Which type of ecosystem has low production but nonetheless contributes a large proportion of Earth's total net primary production?

Select one:

a. desert

b. tropical rain forest

c. open ocean

d. coral reef

5.

The atmosphere is approximately 80% ______ gas.

Select one:

a. CO2

b. H2O

c. N2

d. CH4

Explanation / Answer

1. d. the relationship between corals and unicellular algae

An example of a mutualism, or +/+ relationship, is the relationship between corals and unicellular algae.

2. a. harmful because they allow for the spread of disease and beneficial because they allow for dispersal

Movement corridors are harmful because they allow for the spread of disease and beneficial because they allow for dispersal.

3. a. sustaining entire ecosystems

Modern conservation science increasingly aims at sustaining entire ecosystems.

4. c. open ocean

Open ocean type of ecosystem has low production but nonetheless contributes a large proportion of Earth's total net primary production.

5. c. N2

The atmosphere is approximately 80% N2 gas.

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