Answer: D. All living cells come from other living cells.
Explanation:
A is incorrect because organisms like bacteria and amoebas are unicellular, or have 1 cell.
B is incorrect because cells are specialized: nerve cells and muscle cells do not share the same function.
C is incorrect because inanimate objects are not alive and do not have cells.
D is correct because cells reproduce by mitosis, creating copies of themselves.
Answer:
23 pairs, 46 chromosomes in total.
Explanation:
Changes to the classification system have meant that the classification of some species of organisms has changed too. The system had to be changed to incorporate this new group or organisms.
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