Someone help me please

Which of these is a function of estrogen in reproduction?

A. Providing sugar for the maturation and motility of sperm
B. Providing insulin for controlling blood sugar levels
C. Promoting the release of eggs by regulating other hormones
D. Promoting the development of adult male characteristics

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

What type of competition exsist between two species. turtles and fish