The well - designed experiment test one factor at a time. The answer to the question above is letter A. 1. The items that are being tested are the independent variables and that they cause the dependent variables to change.
Prostaglandin is released in response to to a bee sting or pollen.
<h3>What is an allergic response?</h3>
An allergic response is a series of reactions induced by the immune system of the body due to the presence of a foreign substance known as an allergen.
A bee sting or pollen can be recognized as allergen and results in the release of prostaglandins by mast cells.
In conclusion, prostaglandins are produced in response to allergens.
Learn more about prostaglandins at: brainly.com/question/8213520
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Answer:
adaptations; anything ( food storage, movement, thermoregulation)
Explanation:
Characteristics that animals inherit to help them survive in their environment are called adaptations.
Along with water conservation, animals also have unique characteristics for food storage, movement, etc; (anything that is a regulatory thing seems to fit here).
Skin cells are together to provide protection and strength.
