Which level of organization is formed by a group of the same kind of cells working together? A. ecosystem
B. organism
C. organ
D. tissue

How does the nervous system affect the excretory system?

What is the ecological role of food chains and food webs

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase