According to the mutation accumulation theory, ageing organisms experience an increase in frailty and mortality due to the haphazard accumulation of mutations that harm them.
The traditional evolutionary explanation of ageing explains why mortality increases with age: as people age, their lifetime fertility declines, therefore their ability to continue to survive has a smaller impact on their ability to reproduce. But in addition to fertility, successful reproduction frequently entails intergenerational transfers.
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Protection, regulation, and sensation are functions of the skin.
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The ribosomes are a large complex of RNA and protein molecules. They consist of two subunits, and act as an assembly line where RNA from the nucleus is used to synthesize proteins from amino acids.
The answer is C, cactus and sage bush
Producers biology definition: Producers are any kind of green plant. Green plants make their food by taking sunlight and using the energy to make sugar. The plant uses this sugar, also called glucose to make many things, such as wood, leaves, roots, and bark.
