Will give brainliest, and 10 points! you must know for sure thou!

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 endocrine and nervous systems

c. the existence of vestigial structures

d. the big bang theory

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation: