Biology Evolution and Taxonomy Quiz

Which of the following best describes the term 'homology'?

Carolus Linnaeus developed the concept of cladistic analysis.

What is the term for the evolutionary history of a species or group?

The system of using two names to identify an organism (genus and species) is called ______ nomenclature.

Which of the following is an example of homoplasy?

Cladistic analysis uses morphological characters to determine evolutionary relationships.

List the two taxonomic ranks that are used in binomial nomenclature.

Match the following terms with their corresponding definitions:

Which of the following is a characteristic of acoelomates?

Pseudocoelomates have a peritoneum lining their body cavity.

What is the name of the body cavity found in coelomates?

The body cavity of a pseudocoelomate is called a ______.

Match the following organism to their body plan:

What is a cladogram?

An outgroup comparison examines the ancestral/descendent relationships among different states of a character.

What is the term for an ancestral/descendent relationship among different traits?

A group of organisms that includes the most recent common ancestor and all its descendants is called a ______.

Which of the following is NOT a source of phylogenetic information?

What is a synapomorphy?

Match the following terms in cladistics with their descriptions:

Comparative cytology uses both living and fossil material for analysis.

What type of symmetry is characterized by body parts oriented around a single anterior to posterior axis?

The sagittal plane divides an animal with bilateral symmetry into top and bottom halves.

What is the term for the differentiation of the head region?

A fluid-filled cavity between the outer body wall and gut is called a ______.

Which of the following is NOT an advantage of a fluid-filled body cavity?

Acoelomate organisms have a true coelom.

Match the following animal groups with their corresponding body symmetry:

Which level of organization is characterized by cells not being organized into tissues?

The protoplasmic level of organization involves cells with division of labor.

What is the name of plane that divides an organism with bilateral symmetry into two equal left and right halves?

What are the two main components of an organ at the tissue-organ level?

The digestive system includes the GI tract and the associated ______ digestive organs.

Which of the following is NOT one of the 11 organ systems observed within animals?

The cell-tissue level of organization features cells organized into definite patterns and layers.

Name three of the accessory digestive organs.

Match the following levels of organization with their descriptions:

Which of the following animal groups possesses a true coelom?

Cnidarians exhibit bilateral symmetry.

What is the term for an animal body plan that lacks a coelom?

A pseudocoelom is a body cavity that is not entirely lined by the ______.

Match the following animal groups with their respective body cavity types:

Which of these represents the correct order of increasing complexity?

Sponges are considered to be bilaterally symmetrical organisms.

What type of symmetry do echinoderms exhibit?