____ are chemical signals that, rather than being secreted into the bloodstream, are introduced by animals into their habitats. They can be used to attract mates and mark territories

Fill in the blank with the appropriate word.


Pheromones

Biology & Microbiology

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Signaling molecules act to adjust __________ in all

animals. a. growth b. metabolism c. gene expression d. reproduction e. all of these

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What will be an ideal response?

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