Classification Review

Which field of study is responsible for naming and classifying organisms?

• Systematics
• Phylogeny
• Taxonomy
• Caldistics

Which term refers to the middle tissue layer that forms during embryonic development?

• Endoderm
• Mesoderm
• Ectoderm
• Platoderm

Which of the following terms refers to the formation of a distinct head region as a result of the concentration of nervous tissue and feeding structures at the anterior end of an organism?

• Cephalization
• Gastrulation
• Protostome formation
• Deuterostome formation

Which of the following terms refers to the evolutionary relationships among organisms in the tree of life?

• taxonomy
• phylogeny
• nomenclature
• classification

Which term refers to a group of organisms that can breed only with members of its own kind to produce fertile offspring?

• Kingdom
• Phylum
• Genus
• Species

Which term refers to a homologous feature found in ALL members of a particular group of study?

• ancestral character
• derived character
• clade
• taxon

Which term refers to a feature that is found in some, but not all, members of a a particular group of study?

• ancestral character
• derived character
• clade
• taxon

What type of symmetry is exhibited by an organism that can only be divided into equal right and left sides along one plane of symmetry?

• Monolateral
• Alateral
• Radial
• Bilateral

Which of the following terms refers to an organism with a false body cavity only partially lined with mesoderm?

• Acoelomate
• Coelomate
• Eucoelomate
• Pseudocoelomate

Which of the following would be more closely related to one another?

• Two members of the same class
• Two members of the same family
• Two members of the same order
• Two members of the same phylum