Which of the following statements describes and interaction between the atmosphere and the biosphere? A. Water and its vapor move through the air.
B. Earth’s internal heat warms the layer of air around it.
C. Oceans provide and environment for sustaining marine life.
D. Life is possible on earth due to the layers of air that surround it.

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

Which of the following human activities resulted in the growth of the north american deer population?