After a devastating forest fire, the surrounding area contained no life. After some time, small plants began to grow along the remaining soil. Which of the following best describes the new plants? Choose 1 А Climax species Indicator species Pioneer species D Keystone species Do 4 problems

Environmental differences within ecosystems are generally caused by

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.