Bio 1402 Chapter 32

A biologist discovered a new animal. Upon studying embryonic development, she observed radial cleavage with the blastopore developing into an anus. This animal was categorized as a

In which phylum of marine animals did symmetrical body plans first evolve?

All of the following features are associated with bilateral symmetry in animals except

Solid worms that lack a body cavity are known as

Which of the following is not true about animals?

Animals are distinct among multicellular organisms in all of the following features except

Molecular analysis suggests that the rapid diversification during the Cambrian explosion may have been due to evolution of -------------.

Which of the following terms is mismatched with its meaning or characteristics?

Select the correct choice to answer the following question. What are the three animal phyla that dominate animal life on land?

Bilateral symmetrical animals have evolved three body cavity plans. Each of the following statements is correct with the exception of one. Select the exception.

A zoologist studies an animal that is a deuterostome. Which of the choices makes the sentence that follows incorrect? You know that deuterostomes

Segmentation is the subdivision of the body into segments or metameres. True segmentation is found in which of the following phyla selections?

Molecular data confirm that cnidarians branched off from the rest of animals before ____________ evolved.

Which of the following is not a characteristic of a vertebrate?

Which of the following is not correct regarding the origin of parazoans and eumetazoans?

Which one of the following terms applies to the phylum Mollusca?

Which one of the following terms does not apply to the phylum Chordata?

Which one of the following terms applies to the phylum Platyhelminthes?

Which one of the following terms applies to the phylum Nematoda?

Which one of the following terms does not apply to the phylum Annelida?

Which one of the following terms applies to the phylum Cnidaria?

Which one of the following terms does not apply to adults in the phylum Echinodermata?

Which one of the following terms does not apply to the phylum Porifera?

Which one of the following terms does not apply to the phylum Nematoda?

Select the phylum that includes deuterostome animals that are exclusively marine and have radial symmetry as adults.

Which one of the following terms applies to the phylum Bryozoa?

Select the following phylum that includes protostome animals that are segmented, bilaterally symmetric, and have a chitinous exoskeleton.

Which one of the following terms applies to the phylum Ctenophora?

Select the phylum that includes coelomate, bilaterian animals that have a structure called a notochord.

Select the following phylum that includes animals that are unsegmented, acoelomate, and have a digestive cavity with a single opening.

Which one of the following features would indicate that an animal is not a protostome?

Which one of the following is not the type of evidence used in a traditional classification of animals?

Which one of the following features of animals is unique to animals?

Which one of the following statements about molecular systematics and its role in the classification of animals is false?

Which one of the following statements about segmentation is false?

Which one of the following statements about origins of animals is false?

Two phyla that belong to the Ecdysozoan clade are

Sponges are unique in possessing special flagellated cells whose beating drives water through the body cavity. These specialized cells are known as

Radially symmetrical marine animals that propel themselves through the water by means of eight comb-like plates of fused cilia belong to the Phylum

Most species of tapeworms live in the

Which of the following is the key transitions in body design that are responsible for most of the differences of Eumetazoa?

Sponges exhibit all of the following general characteristics except

The vase-like body of a simple sponge is likely to contain all of the following materials or layers except

All of the following are true about Cnidarians except

Which of the following belongs to the phylum Ctenophora?

Anthozoan corals are characterized by all of the following except

Phylum Platyhelminthes is characterized by all of the following except

Flatworms are similar to sponges, cnidarians, and ctenophores in which of the following?

Flukes are parasitic worms whose hosts during the larval stage are usually

The stage in the fluke's life history in which it escapes from the snail and is ready to enter the intermediate or final host is the