Answer:
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Explanation:
Examples of natural systems include: real number system, solar system, and planetary atmosphere circulation systems.
Natural physical systems include the solar system and an animal's digestive system. Human-made physical systems include mechanical systems, optical systems, electrical systems, and combinations of these. The names of these systems come from the type of energy they use.
A bacteria cell differs from a plant or animal cell by being less complex in structure.
The part of the worm that serves as its brain is the cerebral ganglion
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There’s actually 100 but only 8 of them infect humans
The difference between cytoplasm and cellcytoplasm is jelly like fluid part of the protoplasm
