What is endosymiosis

The age of which index fossil could be determined by using carbon - 14?

In order to improve your body symmetry, it's important to A. try to keep the muscles contracted as tightly as possible. B. recognize and strengthen the weaker areas of the body. C. build endurance. D.

Jeremy wears his baseball cap backward because he noticed his older brother does so. This illustrates the importance of?

Do all organisms rely on the sun in part for energy

19 crossing over is one of the most important events in meiosis because

Your skin is pale, cold, and clammy. your pulse is rapid. your breathing is shallow. you feel fear. these are symptoms of

The processes of diffusion and transport are both used to? 1) break down molecules to release energy 2) move molecules into or out of cells of the body 3) bring molecules into cells when they are more concentrated outside of the cell 4) move

Which question would be asked in a dichotomous key? A. How long are the insect's antennae? B. Are the insect's antennae longer than its head? C. Are the insect's antennae long or short? D. How does the insect use its antennae?

Human ABO blood type is determined by a single gene that comes in 3 distinct alleles: IA, IB, and i. The IA and IB alleles are each dominant to the i allele, but are codominant with each other, meaning that both phenotypes are expressed in the

Claire was rushed to the hospital when she suffered chest pain that extended to her arms, neck, jaw, and shoulders. The diagnostic reports showed inadequate blood flow to the myocardium.