Differences in the physical traits of individuals within a population is called A. Selection
B. Weirdness
C. Breeding
D. Variation

Four types of motile cells in human body?

The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

How water is moving through the ecosystem ?