Protostomes

Protostomes are asymmterical or bilaterally symmetrical ?

Asymmterical

Bilaterally symmetrical

All protostomes are bilaterally symmetrical with which two derived traits?

Anterior brain surrounds entrance to digestive tract

Ventral nervous system is paired or fused longitudinal nerve cords.

None of the above

Lophotrochozoans have a "lophophore" which is a ..

Square or rectangular ring of ciliated hollow tentacles around the mouth used for food collection and gas exchange

Circular or U shaped ring of ciliated hollow tentacles around the mouth used for food collection and gas exchange

What is the " larval" form of Lophophore that Lophotrochozoans have?

Trachophore

Trochophore

Bryozoans are colonial animals that live in a "house" made of material secreted by the __________ body wall

External

Internal

Bryozoans colonies form by what type of sexual reproduction?

Asexual

Sexual

Flatworms are the internal parasites of vertebrates. Examples of these would be ...

Flukes and Bryozoans

Tapeworm and flukes

Tapeworms only

Flatworms have no digestive tract and they absorb the food from the gut of the host.

True

False

Rotifers are which of the following?

Most Rotifers are tiny, the size of protists, and have a complete digestive tract, and some can wait out dry periods in a desiccated state.

Most Rotifers are tiny, the size of protists, and have a incomplete digestive tract, and some can wait out wet periods in a desiccated state.

Brachiopods are NOT solitary, with a two part dorsal and ventral shell (Lophophore inside shell). T/F?

True, they are not

False, they are

The marine, terrestrial, fresh water species of Annelids, have a segmented body plan consists of the body parts moving in what way?

Independently

Depenedently

The segments in an Annelids body plan each have a separate coelom and a nerve center also known as a __________

Ganglion

Gangs

Gangaffiliation

Annelids have a permeable body wall used for _____ exchange and is restricted to ______ environments

Gas, moist

Water, dry

Gas, hot

Annelids; leeches and earthworms do not have any parapodia which are the ..

Organism cells

Tentacles

Leeches feed on vertebrates by making an incision in the host and injecting an anticoagulant for blood flow. T/F?

True

False

What are the three major body sections of Mollusks?

Foot, Visceral Mass, Mantle

Arm, Visceral Mass, Mantle

The Visceral Mass of the Mollusk includes the heart, digestive, excretory, and reproductive organs. T/f?

False

True

Gastropods inlcude only the terestrial mollusks such as _____ and _____ , and the mantle tissue is modified into a ______ ?

Fish, mussel, lung

Snail, slug, lung

Snail, clam , heart

Gastropods include snails, whelks, limpets, slugs, nudibranches sea slugs, and abalones. T/F? And most of the species glide on the muscular foot for swimming T/F?

True, True

False, False

True, False

False, True

Bivalves include which of the following ?

Calms, snails, roundworms, lizards

Clams, oysters, scallops and mussels

Bivalves have a ____ part shell that is hinged, they use the ______ to burrow into sediment.

3, foot

2, foot

Bivalves feed by intake of water via INcurrent siphon, and filter food with their gills, water and gamestes exit through the EXcurrent siphon

False

True

Cephalopods are the squids, octopuses, nautiluses whose foot is modified into tentacles and a ______

Another foot

Siphon

The Cephalopods have an _______ siphon that is modified to eject water for "Jet propulsion"

Excurrent

Incurrent

The head of a Cephalopod has _______ ________ organs , and eyes compared to vertebrates

Complex, sensory

Distinct, sensory

Protostomes

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