Which of these are examples of human interaction affecting the stability of an ecosystem?
A. gradual changes to soil composition in an ecosystem
B. overfishing in a coral reef ecosystem
C. parasites growing in a pond

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.

What type of specimens where you able to see under each of the microscopes in the microscope activity

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection