What is the goal when using a dichotomous key? to see changes in an organism to analyze an organism's DNA to determine lifespan of organisms to identify an organism

to identify an organism

Explanation:

A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item.

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to identify an organism

Explanation:

Took the test got 100%

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.