chapter 7 bio 153

Sponges and all filter feeders use the following as a food source:

All particulate matter suspended in water

A polychaete worm is

An annelid

Comb jellies are classified as

Ctenophores

The larval stage of an animal is best defined as:

Early stage of development of an organism, typically part of the plankton

All molluscs

Have a soft body covered by a mantle

Arrow worms feed on

Live prey

A nudibranch is a type of

Mollusc

In a bilaterally symmetrical animal, which of the following is not correctly paired?

Ventral surface - brain

Which of the following is not an arthropod

cephalopods

A zoea would be a larval form of which of these organisms

crab

The radula and crystalline style of molluscs are part of their

digestive system

. One distinctive feature of arthropods

jointed legs

Free-floating cnidarians like jellyfish are referred to as having a ___________ type form.

medusa

The term for changing exoskeletons by crustaceans is

molt

Deposit-feeding animals feed on:

organic matter that settles on the bottom

filter feeders

organism that takes in water to filter out the food and then releases the extra water (clam, oysters, sponge)

An example of an anthozoan is:

reef (coral)

Polychaete worms show

segmentation

suspension feeders

sift small food particles from the water

deposit feeders

swallow organic-rich sediments and other types of deposited material

One distinctive feature of all echinoderms

water vascular system