Answer:
The valves The heart has four valves - one for each chamber of the heart. The valves keep blood moving through the heart in the right direction.
Explanation:
it is right hope this helps
<span>D)<span>About 50% are heterozygous for tall stems.</span></span>
The convergent evolution may cause the arising of the similar traits in distantly related species. These traits may arise due to the demands during the course of evolution, the reason for having a different origin may be that it was not required initially, but required later. The bones of the birds and the bat are homologous in structure, but the origin of the wings are different.
So, these characters represent a type of convergent evolution.
Answer:
D
Explanation:
During the process of translation DNA is translated into mRNA (messenger RNA)
Answer:
if the earth wasn't tilted there would be no seasons
Explanation:
