The answer to this question is A because all living plants have chloroplasts to use photosynthesis
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Population of cactus like plants which grows in the hot and dry weather of deserts,begins the flow of energy in the desert food web. Because plants are the only producer of energy in every food web.
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Blood vessels which help the body carry red blood cells throughout the bodies functions.
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Capillaries, the smallest and most numerous of the blood vessels, form the connection between the vessels that carry blood away from the heart (arteries) and the vessels that return blood to the heart (veins). The primary function of capillaries is the exchange of materials between the blood and tissue cells.
Some examples of limiting factors are biotic, like food, and mates. Limiting factors can affect the populations of both plant and animal species. An invasive species is an organism that is not indigenous, or native, to a particular area.
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This cumbersome trait significantly decreases the male's chances of survival. ... natural selection: that is, that organisms better adapted to their environment would benefit from ... the individual's reproductive success, even at the expense of their survival (Darwin 1871). ... A successful male can potentially sire many offspring.
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