What changes does estrogen cause in a female's body?

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.