The term that describes a grouping composed of a common ancestor and all its lineal descendants with shared derived characteristics is referred to as a   

WHICH OF THE FOLLOWING REPRESENTS SCIENTIFIC EVIDENCE FOR THE THEORY OF EVOLUTION?

Which of the following were FALSE about early Earth?

MECHANISMS THAT CAN RESULT IN SIGNIFICANT CHANGE IN ALLELE FREQUENCIES INCLUDE

Which of the following is FALSE about Cyanobacteria?

MOLECULAR CLOCKS HAVE BEEN USED TO

GENETIC VARIATION FOR HERITABLE TRAITS IN A POPULATION

Which of the following correctly organizes the taxonomic groups from most inclusive to least inclusive?       

Humans share several features with salamanders due to common ancestry. Certain genes and proteins are nearly identical between the two species; both species have four limbs with a similar skeletal structure; the species’ early embryos are very similar; and where the salamander has a functional tail, humans have a vestigial tailbone. In evolutionary terms, these are examples of     

The chemical composition of the gases surrounding the Earth has changed substantially over the past 4 billion years. One notable change was due to the emergence of photosynthetic organisms. The process of photosynthesis increased the amount of what gas in the atmosphere?