Answer:
the answer is U shaped valley
Adenine and thymine pair up. Just remember ATCG in that order, showing that adenine and thymine pair up, and so do cytosine and guanine
Answer:
Descenso común describe cómo en biología evolutiva un grupo de organismos comparte un ancestro común más reciente. Hay evidencia de descendencia común de que toda la vida en la Tierra desciende del último ancestro común universal.
Explanation:
Answer:
The intervertebral discs of the spinal column and 'long bones' such as the femur and tibia.
Explanation:
"Natural selection<span> is the differential survival and reproduction of individuals due to differences in </span>phenotype<span>. It is a key mechanism of </span>evolution<span>, it is a change of </span>heritable traits<span> in a </span>population<span> over time"</span>
