Which of the following describes the gas exchange that occurs in the lungs?
a carbon dioxide enters the body, while oxygen leaves the body.
b oxygen and carbon dioxide both enter the body.
c oxygen enters the body, while carbon dioxide leaves the body.
d oxygen and carbon dioxide both leave the body.

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.

The image shows a group of fish. the type of social behavior shown in the image is called

The wind is to parities grasses because it them