Arthropoda and molluscs have open circulatory systems - meaning haemolymph (Their equivalent to blood) directly bathes the tissue, and isn't enclosed in blood vessels, as seen in a closed blood system, as in humans for example.
It’s true, there are more insects than there are any other specie and more kinds
A genetic mutation is a permanent modification in the DNA sequence of a gene to what is found in most people.
Answer:
It going to be your gut that helps the ears and stomach fight the body
Explanation:
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