Which of the following best explains the central role of carbon in the chemistry of living organisms? a. carbon forms many molecules with ionic bonds b. carbon forms many molecules with covalent bonds c. carbon forms many molecules with hydrogen bonds d. carbon can only bond to other carbon atoms

One gene can influence trait(s). one trait can be determined by gene(s).

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one