Biogenic minerals are minerals produced by living organisms. Two commonly seen biogenic minerals are , which is often produced by coral and other invertebrates, and , which often makes up the shell material of mollusks such as clams.

What is a universal way that predation benefits the predator? predation increases mate availability. predation in defense of space. the predator gets the energy it needs to survive. the predator keeps parasites from hurting the species.

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.