4th clicker

Which of the following differences between prokaryotic cells and eukaryotic cells is not correct?

• Prokaryotic cells lack a nucleus

• Prokaryotic cells have small ribosomes

• Prokaryotic cells have membrane-bound organelles

• Prokaryotic cells have circular chromosomes

• All of the above are correct

Protista is a valid kingdom containing organisms that are more related to each other than other groups of organisms

• True

• False

The study and reconstruction of evolutionary relationships is called

• Speciation

• Systematics

• Evolution

• Natural selection

The scientific name of an organism denotes the

• Class and order

• Family and genus

• Kingdom and phylum

• Genes and species

• Class and family

A Monophyletic group

• Consists of a common ancestor and some of its descendents

• Does not contain the common ancestor of a group

• s not an evolutionarily meaningful group

• Consists of only extant living species

• Contains a common ancestor and all of its descendants

Derived traits that are shared by all members of a clade are called

• Symplesiomorphies

• Ancestral

• Synapomorphies

• Homoplasies

• Non-adaptive

Species that is related to the species being classified but is not included in the classification is

• A common ancestor

• An outgroup

• A homoplasy

• An infidel

• A paraphyletic species

The principle of parsimony states that the hypothesis with the most assumptions is most likely the correct hypothesis

• True

• False

The direct exchange of genes between unrelated taxa is an example of vertical gene transfer

• True

• False

Which of the following complicates the construction of monophyletic groups?

• Analogous structures

• Incomplete fossil record

• Convergent evolution

• Neutral mutations

• All of the above can cause problems