Global warming is a danger а. only to life at the poles.
b. only to people living in warm climates.
c. to organisms all over the planet.
d. to the amount of carbon dioxide in the air.

What process did darwin’s book suggest that organisms evolve through

Explain how the parts of the peripheral nervous system work with the central nervous system to produce a response to the stimulus

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.