which of the following describes how dna provides evidence to support that life changes over time?

a. some animals exhibit similar structures, possibly due to a common ancestor

b. some animals exhibit similar stages of embryonic development

c. some animals exhibit structures that are no longer used for any purpose

d. some animals exhibit similar biological proteins

p. s it's not !

1) strawberry plants typically reproduce by making runners, which are miniature versions of themselves, that grow off of the roots and stems of the parent. this type of vegetative reproduction is known as a) pollination. b) fragmentation. c) binary fission. d) vegetative propogation.

Types of scientific inquiry that biologist engage in that cannot be completely controlled

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.