The most easily observed motions in the night sky are produced by the

Which of the following is not a classification of marine organisms? a. benthos c. neritic b. nekton d. plankton select the best answer from the choices provided a b c d i know the answer is not option b

Which of these organisms have the greatest amount of cell specialized

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these