Which best describes the fossil record?
a the fossil record cannot provide evidence of evolution.
b the fossil record provides evidence of a common ancestor to many species.
c the fossil record provides evidence that disputes the theory of evolution.
d the fossil record is inaccurate because scientists are not able to date fossils.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

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.

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.