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Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime