Cell membrane is made up of lipids (fats) and proteins.
Answer:
Its association is called lichens.Lichens show symbiotic relationship between orthographic and heterotrophic fungus.
Explanation:
The value we learn from this association in nature is to cooperate with each and help others.
Mother is b+ and o-, and father is a+ and o-
The correct answer is D: the adrenal glands. More specifically, the adrenal medulla<span> produces </span>catecholamines<span>, in particular especially </span>norepinephrine<span> and </span>epinephrine. Estrogen<span>, </span>testosterone<span>, </span>cortisol<span>, </span>dopamine<span> and </span>serotonin also play a role in the response.
An organ is a collection of different tissues that carries out a particular function (e.g. liver). An organ system is a collection of organs that functions to carry out a specific task in the organism (e.g. digestive system). At each level of organization, the structure helps determine the function.