Your answer would be :
B) Stabilizing Selection
Prokaryotic cells do not have a nucleus.
Answer:
Plants, coral, bacteria, and algae do this. Bacteria is a more recent find in the process of photosynthesis with primary producers, as they were just discovered in the soil. During photosynthesis, primary producers take energy from the sun and produce it into energy, sugar, and oxygen.
Explanation:
Hope it helps
Response to the first question (I don't quite know how to explain the second): (Here's my simple version, just based off of common sense and background knowledge rather than a textbook. Hope it works!)
Gender is determined by the X and Y chromosomes. Females are XX, males are XY. Since there is already a ratio of 3:1 X:Y chromosomes, meaning that there are many more X chromosomes than Y chromosomes, it is more likely for the child to be female, because they are more likely to get two X chromosomes.
