Which of the following will most likely happen to an enzyme if it is placed in an environment that is too acidic or too basic?

a. the enzyme will no longer bind to the substrate, slowing or stopping the chemical reaction.
b. the enzyme will cause the reaction to take place more quickly.
c. the enzyme will bind to a different substrate.
d. the enzyme will be unaffected by any changes in its environment.

Match the types of competition to their descriptions.

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

Which direction does the energy flow in this energy pyramid ?