Invertebrates

Invertebrates

Chapter 28

Multiple Choice

Most sponges are hermaphrodites.  What does this mean?

• sponges can produce their own food
• sponges can produce both eggs and sperm
• sponges cannot reproduce
• sponges can swim around

Multiple Choice

Flagella inside a sponge keep water moving through its body. Why is this necessary?

• It prevents the sponge from floating away

• It allows the sponge to feed

• It allows the sponge to absorb carbon dioxide

• It maintains the water pressure inside the sponge

Multiple Choice

Water exits the sponge here

• A

• B

• C

• D

Multiple Choice

Name of D (opening at top)

• Osculum

• Ostia

• Choanocytes

• Incurrent Pore

Multiple Choice

The Portuguese Man-of-War is...

• A colony of organisms with 2 polyps

• A solitary organism

• A colony of organisms with 4 polyps

• None of the above

Multiple Choice

What substance do coral polyps secrete that creates their rocky limestone exoskeleton?

• Silica

• Mitochondria

• Calcium carbonate

• Collagen

Multiple Choice

What causes coral bleaching?

• Warmer water temperatures

• Loss of algae

• Stress

• All of the above

Multiple Choice

What type of symmetry do Cnidarians have?

• Asymmetry

• Radial Symmetry

• Pentaradial Symmetry

• Bilateral symmetry

Multiple Choice

Cnidarians are named after __________, the stinging cells found in their tentacles.

• cnidocytes

• cnidocils

• nematocysts

• cniliocysts

Multiple Choice

Name this body type.

• Medusa

• Polyp

Multiple Choice

Instead of ctenophora having stinging cells, they have sticky cells called

• cnidoblasts
• colloblasts
• nematocysts 
• stickacytes 

Multiple Choice

What trait gives jellies in the Phylum Ctenophora their common name?

• Box shape

• Combs

• Tentacles

• Polyps

Multiple Choice

What is cephalization? 

• Having male and female parts.
• A concentration of sense organs and nervous system at the anterior end of the body. 
• Feeding off of another organism.
• Breathing through the skin.

Multiple Choice

What is a flat worms excretory system?

• Anus

• Mouth

• Flame cells

• Skin

Multiple Choice

What is a flat worms excretory system?

• Anus

• Mouth

• Flame cells

• Skin

Multiple Choice

A brightly colored flatworm, swimming with a wavelike motion, likely belongs to which class?

• Cestoda
• Trematoda 
• Turbellaria 
• Monogenea 

Multiple Choice

The small segments behind a scolex that reproduce quickly, making a tapeworm longer and longer are called...

• Cilia
• Hooks
• Proglottids
• Snaps

Multiple Choice

What is the radula used for?

• Locomotion

• Feeding

• Swimming

• Digging

Multiple Choice

What is the radula used for?

• Locomotion
• Feeding
• Swimming
• Digging

Multiple Choice

What TYPE of mollusk is this?

• Bivalve

• Gastropod

• Cephalopod

Multiple Choice

What TYPE of mollusk is this?

• Bivalve

• Gastropod

• Cephalopod

Multiple Choice

What TYPE of mollusk is this?

• Bivalve

• Gastropod

• Cephalopod

Multiple Choice

What TYPE of mollusk is this?

• Bivalve

• Gastropod

• Cephalopod

Multiple Choice

A stiff hair, bristle or bristle like process or part on an organism

• Ganglia

• Setae

• Nephridia

• Parapodia

Multiple Choice

The leg-like structures seen in polychaetes are called

• Setae

• Parapodia

• Trochophore

• Antennae

Multiple Choice

Which of the following is a thickened segment of the earthworm’s body is used in reproduction?

• Setae

• Ganglia

• Clitellum

• Septa

Multiple Choice

Nematodes are protected by an outer waxy layer known as a _____.

• auricle

• coelom

• pharynx

• cuticle

Multiple Choice

What type of body cavity nematodes have?

• Pseudocoelom

• Acoelom

• True coelom

Multiple Choice

Nematodes have a _____ digestive system

• incomplete

• complete

• external

• vertical

Multiple Choice

What sex is this worm?

• Male

• Female

• Hermaphrodite

• unknown

Multiple Choice

Which Filarial worm is being described?

Affects the lymph system

• Heartworms

• Elephantiasis

• Both

Multiple Choice

Trichinella cysts will be found in what kind of tissue?

• Nervous

• Muscle

• Skin

• Intestinal

Multiple Choice

Heartworm is represented by what picture ?

Multiple Choice

Ascaris is represented by what picture ?

Multiple Choice

hookworm is represented by what picture ?

Multiple Choice

Directly after molting, arthropods are

• more vulnerable because their new exoskeleton is soft

• less vulnerable because they shed their old, weak exoskeleton

Multiple Choice

Why do arthropods have to shed their exoskeletons?

• they don't shed

• to go from water to land environments

• it limits the size they can grow

• it wears out

Multiple Choice

Respiratory organ in spiders that is modified for life on land

• gills

• Tracheal system

• Pharynx

• Book lungs

Multiple Choice

All arthropods have segmented bodies, an exoskeleton, and ________________.

• lungs

• movable tails

• jointed appendages

• wings

Multiple Choice

Lobster, shrimp, and crabs are examples of what group of Arthropods?

• Chilopoda

• Diplopoda

• Crustacean

• Arachnida

Multiple Choice

What type of symmetry do adult echinoderms exhibit?

• Pentaradial symmetry

• Asymmetry

• Bilateral symmetry

• Trilateral symmetry

Multiple Choice

What allows water to enter the water vascular system?

• tube feet

• ampulla

• mouth

• madreporite

Multiple Choice

A network of water filled canals with thousands of tubes connected to it.

• tube feet

• water vascular system

• sea star

• endoskeleton

Multiple Choice

Which class does the sea cucumber belong

• Asteroidea

• Holothuroidea

• Crinoidea

• Echinoidea

Multiple Choice

Which class of echinoderms do the sand dollars belong?

• Asteroidea

• Holothuroidea

• Crinoidea

• Echinoidea