If any of these shark species were to go extinct, what would most likely be a result to their ecosystems? Select one:
a. Nothing, sharks are only human killers.
b. The ecosystem would collapse because sharks are vital to their ecosystems.
c. The habitat would develop new species. With the sharks gone, new organisms can move in to fill that niche.
d. The ecosystem would get healthier. Sharks spend the majority of their time hunting and searching for humans to kill in there habitat

Nh3 +02-no + h20 is unbalanced what is the balanced equation

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle

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.