<span>if these are your options C is the answer
A) The birds colonizing the islands were reproductive isolated.
B) There were many varieties of finches that landed on the island.
C) They mated with other species of finches that were already present on the islands.
D) The new beak types allowed for faster mating.</span>
I am pretty sure that it is the second one
Explanation:
I believe it is the second one because cetaceans are mammals. I really hope that this is right I apologize if it is not.
The twisted shape of DNA is called Double Helix
Explanation:
Development happens quickly during the prenatal period, which is the time between conception and birth. This period is generally divided into three stages: the germinal stage, the embryonic stage, and the fetal stage.
First or the germinal stage- time span: conception at two weeks
development that occurs: the key steps in establishing a pregnancy
Second or the embryonic stage - time span: third through eighth week
development that occurs: the face, eyes, ears, limbs and bones begin to form
Third or the fetal stage- time span: eighth or ninth week through birth
development that occurs: the vocal cords develop, and the digestive system and kidneys begin to function. spontaneous or unplanned, movements are possible by the end of the third month