The local aquarium wants your help explaining to the public the importance of
sea otters in kelp forest ecosystems. Use illustra-
tions and words to make a sign that could be
placed in front of the sea otter exhibit. Explain
the concept of “keystone species” and describe
the role sea otters play in nature.

Agene in a type of bacteria when the ses bacteria reproduce asexually this mutation can only be inherited by

What happens when a magniseum ion ia atracked to a chlrene ion

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.