PLEASE HELP ME WILL MARK BRAINLIESTWhat is the name of one of the lower chambers of the heart that receives blood from the upper chambers and pumps it into the arteries?

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?