Your answer: 1 3 4 2
Your answer: Farmers select animals with desirable variations for breeding. New species are formed via genetic engineering Individuals survive that have inherited traits adapted to their environment. Populations sharing the same gene pool interbreed and create new species.
Your answer: A B C D
Your answer: The age of the fossils The continent where the fossils were found The rest of the skeleton The population trends for the species
Your answer: the humerus is the same size in all chordates chordates have a common ancestor only animals that walk on 4 legs need the humerus the humerus is attached to the skeleton by immovable joints