Why might a cell NOT need to duplicate? (select all of that apply) 1. That cell is no longer needed in the body
2.it is unhealthy
3. it is efficient at its job
4.the tissue it is a part of does not need growth or replacement

Depending on the organism the number of in a cell may change

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer