Which of the following environmental features might influence microclimates?

Question

Please help me with these questions. They're hard for me to answer.

Thanks.

1. Which of the following environmental features might influence microclimates?

A) a discarded soft-drink can

B) a tree

C) a fallen log

D) a stone

E) all of the above

2. The success with which plants extend their range northward following glacial retreat is best determined by

A) whether there is simultaneous migration of herbivores.

B) their tolerance to shade

C) their seed dispersal rate.

D) their size.

E) their growth rate.

3. In the development of terrestrial biomes, which factor is most dependent on all the others?

A) the species of colonizing animals

B) prevailing temperature

C) prevailing rainfall

D) mineral nutrient availability

E) soil structure

4. Fire suppression by humans

A) will always result in an increase in the number of species in a given biome.

B) can change the species composition within biological communities.

C) will result ultimately in sustainable production of increased amounts of wood for human use.

D) is necessary for the protection of threatened and endangered forest species.

E) both C and D

Answer 1

1)E

2)C

3)A

4)A