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zmey [24]
3 years ago
14

Many insects, fish, and mammals release certain chemical messengers to signal reproductive readiness. What are these messengers

called?
A. Hormones

B. Pheromones

C. Enzymes
Biology
1 answer:
V125BC [204]3 years ago
3 0
The answer is pheromones. Hope that helps :)
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<h3>What is Nephron?</h3>

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Your question was incomplete. The probable question was

What are characteristics associated with the two types of nephrons? check all that apply

A. Cortical nephrons make up about 15% of all nephrons.

B. Cortical nephrons make up about 85% of all nephrons.

C. Juxtamedullary nephrons make up about 15% of all nephrons.

D. Juxtamedullary nephrons make up about 85% of all nephrons.

5 0
2 years ago
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