As an environment changes, and some organisms have a higher fitness than others, natural selection acts directly on a. existing variations.
b. genetic material.
c. acquired traits.
d. individual organisms

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?

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 science for classifying and naming organisms is known as