Which characteristics belong to a eukaryote? a. is usually multicellular b. contains a nucleusc. contains one cell type d. contains membrane-bound organelles

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm