<span>Gel electrophoresis is a technique that allows the DNA fragments to separate according to length.
Hope this helps!
-Payshence xoxo</span>
The answer is <span>fitness; directional.
The longer beaked robin's are having more offspring, compared to the shorter beaked robins, because they are more fit in that environment. That's probably due to the type of seeds that exist in the environment. That fitness is directional because there is</span><span> a phenotype that is favored over other phenotypes.</span>
Answer:
D . It enables organs such as the heart and stomach, to slide across cavity walls and each other without friction
Explanation:
Serous fluid is a yellow transparent liquid which is usually found in body cavities. The serous fluid serves as a lubricant to prevent internal organs such as the heart, lungs and so on, from being rubbed against each other.
One genome of society is that it is pollution
