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Biology, 22.06.2019 00:40
Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism
Answers: 2
Biology, 22.06.2019 01:30
Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?
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Biology, 22.06.2019 05:40
Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion
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Biology, 22.06.2019 09:30
Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.
Answers: 1
The chemical combination of two or more different atoms in fixed amounts is called a(n) a. orbit. b....
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