Exam 10: Biodiversity 3: Animals

In terms of food collection,what is an advantage of radial and bilateral symmetry? Include examples of both forms of symmetry in your answer.

The radial symmetry of adult echinoderms could best be described as ________.

All vertebrates have ________.

Which reptiles are endothermic?

Which one of the following is a defining characteristic of animals but not of plants?

Cnidarians are named for their cnidocytes,a feature unique to the group.What are cnidocytes?

Some organisms are described as having a ________ digestive tract that includes a mouth at one end and an anus at the other.

Which group of fishes gave rise to the amphibians?

Which body form of the cnidarians is sessile?

Which phylum of worms includes the leeches?

What do the nonanthropoid primates have in common?

How might an early primate's environment lead to the evolution of a large brain in relation to body size?

Which is most closely related to the hagfish?

What is the function of a fish's operculum?

Gastropods include the ________.

Flatworms are most closely related to the ________.

Which arthropod subgroup includes those with an exoskeleton of chitin?

Which group of animals is most closely related to the arthropods?