Differentiates density-dependent and density-independent population regulation with examples.

Differentiates density-dependent and density-independent population regulation with examples.

• A. Density-dependent factors change with population size; density-independent factors affect populations regardless of size.
• B. Density-independent factors change with population size; density-dependent factors are constant.
• C. Density-dependent factors only affect plants; density-independent affect animals.
• D. Density-dependent factors are always biotic; density-independent factors are always abiotic.

Answer: (A)