Using the following traits, explain the basic trend in hominid evolution from early ancestors to modern humans: a. brain size
b. jaw size
c. bipedalism

Rank the three variables in terms of how strongly they affect the "species" composition of the bacterial communities. place the variable with the weakest effect on the left and the variable with the strongest effect on the right.

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these

Asegment of dna that codes for rna and a protein is a