what are animals with hydrostatic skeletons able to do that animals with exoskeletons or endoskeletons cannot?

answer; i believe the correct answer is (sporophyte);

check for the pregnancy rating of drug. if its class c or d see if other alternatives

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

it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .