Consider a moth population that experiences a change in environment such that th

Question

Consider a moth population that experiences a change in environment such that the lighter colored moths no longer blend into their background and suffer higher predation than darker colored moths. This is an example of:

1. Stabilizing selection. 2. Founder effect. 3. Directional selection. 4. Disruptive selection. 5. None of the above.

Fungi are most closely associated with what ecological role?

producer

carnivore

herbivore

4. decomposer

Ice cores are used to

study the ancient atmosphere

estimate ozone depletion

track the earth's magnetic field

monitor the melt rate of the current epoch

slow the habitat destruction of polar bears

1.

producer

2.

carnivore

3.

herbivore

4. decomposer

Ice cores are used to

1.

study the ancient atmosphere

2.

estimate ozone depletion

3.

track the earth's magnetic field

4.

monitor the melt rate of the current epoch

5.

slow the habitat destruction of polar bears

Explanation / Answer

1)- option 3 is correct because in it extreme phenotype is favored over other phenotype.

2)- option 4 is correct because marine fungi are major decomposers.

3)- option 1 is correct because it provides information about environmental conditions in the past.

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