Breeders use the strategy of Choose...
to produce offspring with a combination of traits from both parents

What are the probable phenotypes of their offspring

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?