Which term names an ecological system with all its biotic and abiotic factors? a. community b. ecosystem c. habitat d. pure culture

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms

Which characteristics are typical of a human population in the postindustrial stage?