In a cladogram, what represents the most recent common ancestor shared by a clade? a. a mark by the clade's derived character
b. the overlapping of one clade upon another
c. the longest branch
d. the node where branches meet

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels

Explain the significance of the increased cell specialization of the volvocine line

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates