Which of the following would be considered an ecosystem?

a rabbit being chased by a fox

an ocean of water, minerals, sharks, dolphins, and fish

the human body

a ground hole in which a snake lives

Are produced in the light reactions and used in the calvin cycle. a)nadh and atp b)electrons and sugar c)nadt+ and adp d)sugar molecules

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

Solutions to environmental problems in europe must