Which fiber is made up of protein

Natural protein fibers.

Explanation:

Fibers such as wool, hair,and silk, are made of protein. These are all natural fibers.

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Explanation:

There are two fibres which are made up of protein. They are present in vegetables and animals.

Examples of vegetable protein fibre :

Examples of animal protein fibre :

and so many more

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: