Answer:
Y chromosome
Explanation:
The presence of the Y chromosome indicates a male, whereas the absence of it indicates a female.
Answer:
C) male-male competition; sexual conflict and antagonistic coevolution
Explanation:
Male-male competition happens when two males of a species fight for the opportunity to mate with a specific female.
Answer:
A
Explanation:
This showed that at one point all continents were joined
Gravity can be such a tricky subject to talk about I wish I could answer this I need to study more
