What is density independent and dependent?

The dynamics of most populations of living things are influenced by a combination of density-independent factors and density-dependent factors (that is, those factors that emerge when the concentrations of individuals in a population rise above a certain level).

Explanation:

pls brainliest me

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

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