What organism in the food web is found first tropic level the ecosystem

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Ascientist wanted to formulate a pill to attack a specific type of bacteria that infects the throat. which biological component would be best to use as a model for the pill's function? bacteriocytes phagocytes complement antibodies