<span>What moves across axons? A. Ions
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<span>the record of descent of an animal, showing it to be purebred.</span>
Answer:
The increase in agricultural production and technological advancements during the Agricultural Revolution contributed to unprecedented population growth and new agricultural practices, triggering such phenomena as rural-to-urban migration, development of a coherent and loosely regulated agricultural market, and emergence of capitalist farmers.
Answer:
the Echinoderms.
Explanation:
Examples of echinoderms: starfish, sea urchin, feather stars and sea cucumbers.
