Birds and mammals

homeostasis is describe as the ability of an organism to maintain its internal environment (within the narrow limits that allow optimal cell functioning)

amphibians, and most fish and invertebrates

organisms that produce most of their heat by metabolic reactions

Temperature regulation, blood pressure, osmoregulation

Feedback is defined as the information gained about a reaction to a product, which will allow the modification of the product.

Fruit Ripening, childbirth, blood clotting

Feedback loops are important because they allow living organisms to maintain homeostasis.

Temperature regulation, blood pressure, osmoregulation

animals whose regulation of body temperature depends on external sources, such as sunlight or a heated rock surface.

A positive feedback loop occurs in nature when the product of a reaction leads to an increase in that reaction.