Darwin argued that natural selection would never cause a species to evolve a trait that benefits another species at a fitness expense to its own species. a study of egrets in florida found that parents eject their own chicks from their nests, and this behavior feeds alligators living in the swamp below the nests. this steady supply of food improves the health and condition of the alligators. in view of darwin’s logic, what are two hypotheses that might explain why the egrets perform behaviors that benefit alligators?
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Getting out of bed is the first goal i tackle each day. 2several small goals are achieved by me as the day progresses. 3when i am riding the bus home or walking the dog, i think about the bigger goals i have for my life. which statement correctly describes the verb tense, aspect, and voice in this paragraph? a.sentences 1 and 2 contain present progressive verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice. b.sentences 1 and 2 contain simple present verbs. sentence 3 contains present progressive verbs. all three sentences use active voice. c.sentences 1 and 2 contain present progressive verbs. sentence 3 contains simple present verbs. all three sentences use active voice. d.sentences 1 and 2 contain simple present verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice.
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Darwin argued that natural selection would never cause a species to evolve a trait that benefits ano...
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