Why is there essentially no waste in the natural world except for waste generated by humans?

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The reason as to why there is essentially no waste in the natural world is because; in the natural world, there is essentially no waste since the waste of one organism becomes the nutrients or raw materials for other organisms. Solid wastes are unwanted or discarded material we produce that is not liquid or gas. Mother nature also has her own waste disposal solutions in place for years. In natures one organism's waste is another's feast. Natures clean up crew includes the decomposers, scavengers and the detritivores and also the process of biodegradation.

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Fur color in animals is frequently controlled by more than one gene. However, brown fur in rabbits is dominant over white fur. A

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Answer:

Please find how this is possible in the explanation below

Explanation:

This question is regarding a gene in rabbit coding for fur color. Brown fur (B) in rabbits is dominant over white fur (b). However, according to the question, a white female gives birth to all white rabbits, even though the father had brown fur. This is possible because the father is heterozygous for the brown fur i.e Bb.

Hence, in a cross between a heterozygous father (Bb) and a white mother (bb), the following gametes will be produced by the following parent:

Bb - B and b

bb - b and b

Using these gametes in a punnet square (see attached image), the probability of 1/2 of the offsprings will possess white fur (bb). Based on this result, the white female is able to give birth to all white rabbits because the male rabbit contributed the white allele (b).