If scientists have never actually seen an ancient animal, what do you think they use to create diagrams showing comparisons between that ancient animal and it's modern ancestor?

What is the scientific name for the study of shopping worksheet answers?

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

What is a sex-linked genetic disorder that disrupts the blood's ability to clot? a. achondroplasia b. huntington's disease c. hemophilia d. albinism