What is the significance of chitin arthropods? a. chitin is a storage carbohydrate that form their exoskeleton. b. chitin is a structural carbohydrate that forms their exoskeleton. c. chitin is a protein that forms their exoskeleton

Which of the following is not a characteristic of natural selection? 100 points pls more offspring are born than will survive to reproduce. mutations appear randomly breeding pairs are chosen by humans organisms that are better adapted are more likely to survive

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird