Earth's atmospheric ozone later is one of the unique features that allow earth to support life. What function does the ozone lay
er serve? a. gives oxygen to living things
b. cycles carbon between plants and animals
c. blocks out harmful solar radiation
d. filters out excess carbon dioxide
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The finches Darwin discovered are genetically different from other finches of the same species because of differences in habitat climate and the habitat itself.
I think the correct answer from the choices listed above is option A. It is the alveoli that is composed of single layer <span>surrounded by a network of capillaries. These are used to allow oxygen and carbon dioxide to move from the lungs to the bloodstream.</span>
