Biology, 06.01.2020 12:31 epmeche05

How does one determine when an ecosystem is in "balance"?

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Biology, 21.06.2019 19:10, daeshawnc14

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

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Biology, 22.06.2019 02:30, jnglauda

Variety of living organisms; includes genetic, species, and ecological types.

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Biology, 22.06.2019 06:00, Ryan02717

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

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Biology, 22.06.2019 11:30, brebre63

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.