Which statement best explains why each river has its own set of characteristics a river supports different organisms depending on where it flows be a river absorbs oxygen from the atmosphere as a close down hill see rivers interact with the Eco systems theory which they pass de rivers flow downhill pulled by gravity toward the sea

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explanation:

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spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.