The answer would be it is easier for them to find their nest when they decorate
I believe the correct term to fill in the blank would be digestive. Four functions of the digestive tract include ingestion, digestion, absorption, and elimination.The digestive tract group of organs that works together to convert the food taken in into energy and nutrients needed by the body.
Testosterone is an example of an androgen.
Testosterone belongs to a class of male hormones called androgens, which are sometimes called steroids or anabolic steroids. IN men, testosterone is mainly produced in the testes. In women's bodies, testosterone is produced in the ovaries, adrenal glands, fat cells, and skin cells.
Testosterone products come in different forms, including gels, injectable solutions, patches, pills and pellets implanted under the skin. Once a patient starts testosterone therapy, the patient usually undergoes lifelong treatment. Testosterone is an anabolic steroid that occurs naturally in the human body. “Anabolic” means to build up or promote growth.
Hence, A is the correct option
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Answer: Independent variable
Explanation: Hope this helps! Brainliest?