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According to the primate family tree, the modern species most closely related to the humans is the:

If antibiotics seem effective against a human illness, then this illness is probably caused by a/an:

One of the most complete fossil of Australopithecus afarensis ever found was named _____________.

A characteristic of annelids is:

Flatworms are the most primitive animal phylum to have:

Snails and slugs are in which mollusc group?

The _____________ theory explains how the relationship between primitive eukarytic and prokaryotic cells and how they lived off of one another.

Compare prokaryotic and eukaryotic cells. What structures do they have in common? What structure(s) are unique to prokaryotic cells? What structure(s) are unique to eukaryotic cells?

What two mechanisms cause genetic diversity in populations?

Match the features of the phylogeny shown below (labels A-E) to their correct term. Phylogeny.png