Most saltwater-use is to irrigate crops for public drinking water for industry and mining in the power generating industry

Which flexible structure that supports the nerve cord and led to the backbone

Apart of an ecosystem that can restrict the growth of a population is referred to as

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