Exam 32: Animal Diversity and the Evolution of Body Plans

Which of the following characteristics applies to humans?

Given the distribution of the 30 or so animal phyla across the Earth's various ecosystems,what would be the most likely habitat for the origin of animals?

Linnaeus lumped all of the worm-like animals into the category Vermes (Vermis is Latin for worm).Is this a valid classification scheme?

Pseudocoelomate nematodes lack a body cavity.

A mixture of DNA fragments is amplified from a sample of ocean water.Which gene(s)could be definitively categorized as originating from a species of animal?

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

Of the following features,which is the most widely shared in the animal kingdom?

In animals that display indeterminate development

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

A researcher is using molecular phylogenetic techniques to determine the evolutionary relationships of a large set of animal species.Which type of species are most likely to have been wrongly classified based on morphology alone?

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

Which one of the following features is unique to animals?

Which of the following describes what is currently known about Ctenophore symmetry?

In the animal subkingdom ________,the animals lack symmetry and possess neither tissues nor organs.

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

Solid worms that lack a body cavity are known as

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

Despite their seemingly simple anatomy and radial symmetry,________ are a type of deuterostome,and closely related to the chordates.(Check all that apply.)

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

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