Answer:
Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products. The reactions involved in respiration are catabolic reactions, which break large molecules into smaller ones, releasing energy because weak high-energy bonds, in particular in molecular oxygen, are replaced by stronger bonds in the products. Respiration is one of the key ways a cell releases chemical energy to fuel cellular activity. The overall reaction occurs in a series of biochemical steps, some of which are redox reactions. Although cellular respiration is technically a combustion reaction, it clearly does not resemble one when it occurs in a living cell because of the slow, controlled release of energy from the series of reactions.
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I believe the answer is Sex-linked traits
Sex-linked traits refer to the genetic traits that strongly tied to either X or Y chromosome, which make certain traits to become more likely to be possessed by a certain sex.
Another example would be the genes that make us able to grow facial hair are sex-linked to Y chromosomes. Facial hair would predominantly exist in males but on rare occurrence, it could exist in female
Answer:
I think the answer is B. I think energy decreases as it moves up tropic levels when it is lost as the organisms from one level consume the organisms in the other.
Explanation:
It can't be A because animals do travel from one ecosystem to another. It's migration. It's not C because air can be used by organisms as once as the air moves out of their ecosystem because air is everywhere and the organisms need air to breathe and to live. D is definitely incorrect because matter can't be created or destroyed. Remember that an ecosystem is the organisms physical environment. I hope this answers your question.
Step 1: Pollination
Male gametes are found in pollen, which is carried to female gametes by the wind, water, or wildlife (both insects and animals). Pollen is collected on the stigma of a plant, which is a part of the pistil (the elongated part of a flower extending from the ovary). Pollination is the term for this method.
Step 2: Germination
Pollen tubes begin developing, or germinating, toward the egg cell within minutes. These tubes will provide a pathway for pollen-borne sperm to enter the egg.
Step 3:
The Ovule's Penetration The pollen tubes make their way into the ovule, which houses the female gametes.
Step 4: Fertilization
Pollen tubes carry sperm, which fertilize an egg. An egg and the polar nuclei in the embryonic sac are fertilized in most angiosperms during double fertilization.