Which is a density- independent factor in controlling a population?
a. shelter
b. access to water
c. predators
d. volcanic eruptions

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

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explanation:

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the correct answer in apex is tissue development, i know because i just had this question