1the carrying capacity for a species in an ecosystem is primarily determined by
oa the ecosystem's resources
b the number of predators
c the species' fertility
da boom-and-bust curve

c number is the right answer of the following

the correct answer is b

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