Why is the point of attachment of the frog's tongue considered to be advantageous?

Frog's tongues are attached to the front of their mouths rather than at the back like humans.

Explanation:

This is an advantage because most frogs eat flies and insects and the like. Because they can flick their tongue a long way out they are able to catch food more effectively. This is an example of an adaptation.

the aswer is letter c

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