A train car is to train as a __ is to a polymer. a. polymerization.
b. monomer
c. polypeptide.
d. protein.

Jason, a dog breeder, decides to mate a poodle with a golden labrador retriever. he wants to get puppies with the curly hair of the poodle and the color of the labrador. what concept is shown in this example? question 6 options: artificial selection adaptation evolution natural selection

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?

Organisms may contain up to five levels of organization within their bodies. which level of organization is shown by the liver? a. tissue b. organ c. organism d. organ system