They breathe through their skin. Air dissolves on the mucus of their skin, so they MUST stay moist to breathe.
If worms dry out, they suffocate. As fresh air is taken in through the skin, oxygen is drawn into the worm's circulatory system, and the worm's hearts pump the oxygenated blood to the head area.
The answer is Biological Resistance, hope this helps. Please mark brainliest.
The answer is B) can start in many different places in a sequence at the same time.
These different places are called Origin of replication. :)))
i hope this is helpful
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I think its the atmosphere ?????
Answer:
kingdom, phylum, class, order, family, genus, and species
Explanation: