Exam 34: Coelomate Invertebrates

Which of the following are not found in a bivalve?

These echinoderms have soft,slug-like bodies with tough,leathery skin.They are the

Ectoprocts are characterized by all of the following except their

Choose the letter of the best match from the following: -Barnacles

Which one of the following annelid structures or events is not correctly paired with its role in locomotion?

A marine biologist makes a presentation about crustaceans to your biology class.He explains that he has recently received an NSF grant to study sessile crustaceans.You are only aware of one group of sessile crustaceans.This crustacean must be

In many arthropods,body segments have become fused into functional groups called ______.

Reproductive modes of echinoderms include all of the following except

Which of the following are dwellers of deep ocean floor and shallow waters,where they pull themselves along two arms at a time,like oars rowing a boat?

The nitrogenous waste in mollusks is removed by

The excretory structures of terrestrial arthropods are slender projections from the digestive tract that are attached at the junction of the midgut and hindgut.These are called

All echinoderms share the following characteristics except

Brachiopods develop as protostomes,but they show ______ cleavage.

Chelicerae function as

Examples of mollusks that live on land are the

The organ that is responsible for secreting cocoons in the oligochaetes is known as the

Choose the letter of the best match from the following: -Are active predators that move about on their tube feet.

The phylum that includes snails,clams,oysters,and octopuses is the

Among mollusks,which of the following are able to change their sex in one single season?

The functions of the lophophore include all of the following except as a