Plant-deer-tiger the first step in the energy chain that created the bonds of proteins in tiger's muscle cells in the food chain shown above the
a. deer the tiger ate
b. plant the deer ate
c. protons the sun made
d. carbohydrates the plant made

Which of the following is not a characteristic of natural selection? 100 points pls more offspring are born than will survive to reproduce. mutations appear randomly breeding pairs are chosen by humans organisms that are better adapted are more likely to survive

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Number and variety of living organisms includes genetic, species, and ecological types