A statement that would be least likely used too describe variation is
“Variation is something that moves”
That is a least likely description.
The most likely answer is A) A drastic reduction in the animal population due to migration or death by starvation.
The name of chemicals that are secreted by glands into the blood and those that affect organs elsewhere in the body are known as Hormones.
<h3>What is Gland?</h3>
A Gland may be defined as an organ in the human or animal body that perspires certain chemical substances for usefulness in the body or for liberation into the surroundings.
The endocrine glands are responsible for the synthesis of such chemical substances into specific body parts and organs and pass them directly into the bloodstream. These chemical messengers are thought to be the agents of communication between one body part and another.
Therefore, it is well described above.
To learn more about Endocrine glands, refer to the link:
brainly.com/question/1128099
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The primary consumer in a food chain that would receive 10% of the Sun's energy is the A. mouse.
The Elm tree would receive all 100% of the Sun's energy.
The mouse follows because it eats greens, then the snake eats mice.
The hawk as top in the food chain in terms of the energy from the Sun itself.