Why does the presence of predators help keep an ecosystem stable?
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A. The predators stop species from competing.
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B. The predators keep prey populations balanced.
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C. The predators decrease biodiversity.
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D. The predators eat the keystone species.

What kind of action is a cause of air pollution

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Can someone pretty me with this ? it’s urgent. compare the three theories of emotion. here are the three theories of emotion. cannon-bard theory of emotion: the belief that both psychological arousal and emotional experience are produced stimultaneously ( at the same time) by the same nerve stimulus. james-lange theory of emotion: the belief that emotional experience is a reaction to bodily events occurring as a result of an external situation. ( “ i feel sad because i am crying.) schachter-singer theory of emotion: the belief that emotions are jointly determined by a nonspecific kind of psychological (bodily function) arousal and its interpretation, based on environmental ( natural surroundings) cues. which of these theories makes most sense to you? why. your response should be written using proper english spelling and grammar. and it needs to be 10 complete sentences.