Endocrine communication involves chemical signaling via the release of hormones into the extracellular fluid. From there, hormones diffuse into the bloodstream and may travel to distant body regions, where they elicit a response in target cells. Endocrine glands are ductless glands that secrete hormones.
C because they eat the things they find that are dead so they get the nutrients and stay somewhat healthy.
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Answer: The steps are made of nitrogenous bases; deoxyribose sugars linked with phosphates.
Explanation: The rungs of the DNA are made of nitogenous bases (The nitrogenous bases are adenine (A), thymine (T), guanine (G) and cytosine (C) ) they are held together by weak hydrogen bonds.
The railings of the DNA are made of deoxyribose sugars which are alternating with phosphates. This part of the molecule is referred to as the "backbone".
The energy to start the calvin cycle comes from the light reaction. The things needed to start it are ATP, NADPH, and CO2.
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Answer Magnification is the independent variable
The cell organelles scene is the dependent variable
Explanation: I answered the question and got it right :)