Which of the following is used as evidence in supporting the idea that life changes over time?

a. the time period in which an embryo develops

b. the similarities in the body systems such as the nervous and circulatory systems

c. the existence of homologous structure

d. the big bang theory

The answer to this question would be choice C. the existence of homologous structures

Explanation: Basically, homologous structures are structures that are similar to each other, but are found in different organisms (or animals). In other words, they are structures in common between species. Moreover, this homologous structures basically show that organisms come from a common ancestor and have changed over time.

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

i wish i could with all of them i can barley see the first one so here's the answer to the first one b