During which of the following are temperatures highest? a. ice ages
b. interglacials
C. major glaciations
d. minor glaciations​

i believe that the answer is c.

straight or amphibians are homeothermic to thermal

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products