Answer:
The hairs trap a layer of air above the skin, which helps to insulate the skin against heat loss. ... shivering (rapid muscle contractions release heat) sweating (evaporation of water in sweat causes cooling) blood flowing in the skin capillaries.
Explanation:
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D) All of above
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Answer:
Amino Acids
Explanation:
amino acids are a termed as organic compounds which contain amine
Answer:
Invertebrates have a very quick life cycle and die very easily, as a result, they evolve very quickly into many different types of animals. also, they are often very small and their ecosystems are subject to much quicker change than that of vertebrates, meaning that mutations in their genes become relevant more often. Many invertebrates span very large areas (sea animals span most of the oceans, insects span entire continents) and so they evolve to be different species in different places.
Or
They do not have bones, they live on water or land, they can have soft bodies or exoskeletons, and others are parasites.
