The scientific name for polar bears is Ursus maritimus.

Ursus is the and maritimus is
the .

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

How does natural selection change thephenotypes within a population over time?