5. immigration

A. the movement of individuals into an area is called
B. the number of individuals of a single species per unit area is known as its
C. the area inhabited by a population is known as its
D. one example of a density-independent limiting factor is

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled

The diagram shows a chicken embryo and a human embryo