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The delivery of oxygen and nutrients to the tissues of the body is accomplished through BLOOD circulation.
Fossil hunters can be good stewards by respecting the area around the dig site. Instead of getting big machinery to do the dig and ruining the area around the fossil, they can instead be careful in obtaining the fossils.
<span>When listing the components of a forest ecosystems, a scientist would list all the plants, animals and microorganisms, as well as all the non-living elements that combine to make up the entire ecology of the forest. </span>
an adjective describing the species
