Question

state the reason to develop different respiratory system in animals​

Answer 1

Along the evolutionary tree, different organisms have devised different means of obtaining oxygen from the surrounding atmosphere. The environment in which the animal lives greatly determines how an animal respires. The complexity of the respiratory system is correlated with the size of the organism.

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Answer 2

Answer:

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Explanation:

$the \: reason \: must \: be \: differet \: way \: of \: living \: and \: diveristy \\ in \: habitat.some \: live \: in \: water \: cannot \: breathe \\ \: through \: lungs \: so \: they \: have \: gills. \: we \: have \: lungs \\ \: bt \: earthworms \: have \: moist \: skin.insects \: hve \: spiracles....$

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