Multicellular organisms have specialized cells to carry out particular functions. unicellular organisms have specialized structures to carry out particular functions. the specialized structures within a cell that aid with processes such as respiration are what?

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

Number and variety of living organism; includes genetic, species, and ecological types