The word is <u>an individual</u> of a species
Answer:
Reinforcement is the process by which natural selection increases reproductive isolation. Reinforcement can occur as follows: When two populations which have been kept apart, come back into contact, the reproductive isolation between them might be complete or incomplete. If it is complete, speciation has occurred.
Explanation:
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The correct answer is a calorie
The answer to this question is seven
Answer:
1) Metalloids are solids.
2) They have a metallic luster, and generally look like metals.
3) They are brittle, and easily shattered.
4) Metalloids can conduct electricity, but not as well as metals.