Which is not used to identify a fossil as a hominin species?
a. body size
b. flatter face
c. upright vertebral column
d. smaller canine teeth
e. bigger brain

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other