Answer:
produced at one at a time.
Explanation:
human egg are not produced only at one time.
Answer:
Endocardium
Explanation:
The endocardium makes the innermost lining of the wall of the heart. It is present over the thin layer of connective tissue. The function of the endocardium is to provide a smooth lining for the chambers of the heart. The valves present in the heart also have endocardium. The dense connective tissue of the heart valves is covered by endocardium.
The presence of the smooth endocardium made up of endothelium reduces the surface friction as blood passes through the heart. The endocardium of heart chambers is continuous with the endothelial lining of the large blood vessels that are attached to the heart.
Primary succession occurs<span> in essentially lifeless areas or regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. Hope this answers the question.</span>
Answer:
it b or d
Explanation:
that is the most important for scientistes to study
b tells what can be in the fossill or find in the fossill
so i think it b
Answers: A. (DNA replication is semiconservative), B. (DNA is replicated so that each daughter cell will have half of a DNA molecule), and C. (The cell enters S phase with two copies of each of its chromosomes)
