Write an expository essay explaining how the ideas of cell theory, heredity and genetics, and evolution through natural selection are used by biologists to explain the unity and diversity on life on earth today

the tricuspid valve is present between right atrium and right ventricle

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.

i wish i could with all of them i can barley see the first one so here's the answer to the first one b

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

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bioteacher101