Silk sericin is a natural macromolecular protein derived from silkworm Bombyx mori. During the various stages of producing raw silk and textile, sericin can be recovered for other uses. ... The protein is also used as an improving reagent or a coating material for natural and artificial fibers, fabrics, and articles.
A) Algae.
(im not 100% sure but it makes the most sense to me. See if google knows to double check)
Answer:
I don't exactly know too much about fossils and current animals, so I'll try my best.
Explanation:
Fossils provide evidence about life on Earth that currently extinct. Through fossils, we've discovered several species of animals and plants that previously existed. We also learn how life on Earth changed throughout the years. Fossils found in younger rocks look like animals and plants that are living today. Fossils in older rocks look less like the current living animals and plants. Some fossils found look either more or less like current species we know today.
(Sorry if this didn't help)
For a recessive trait to be expressed in a generation of offspring, an individual must be Homozygous for the allele