Questão #13521212011

Inglês

Imagem da questão

How does the hummingbird compare with other flying animals?

A The hummingbird conserves more energy because it is far smaller. B The hummingbird cannot be compared to others because it is the only one that uses its pectoral muscles. C The hummingbird, as well as insects and bats, conserve energy in their upstroke motion. D According to other researchers hummingbirds procedures are similar to those of much larger birds. E According to other researchers most flying animals use the same procedure to save up energy.

Inglês

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