Marine Science Ch 9

Marine Science Ch 9

Multiple Choice

Invertebrates are animals....

• with a back bone

• without a backbone

Multiple Choice

animals that have a backbone

• invertebrates

• vertebrates

Multiple Choice

heterotrophic

• creates its own food

• must consume others for food

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Bilateral means it can be divided equally by

• bottom and top halves

• left and right halves

Multiple Choice

what type of symmetry does this organism show?

• bilateral symmetry

• radial symmetry

• asymmetry

Multiple Choice

what type of symmetry does this organism show?

• bilateral symmetry

• radial symmetry

• asymmetry

Multiple Choice

what type of symmetry does this organism show?

• bilateral symmetry

• radial symmetry

• asymmetry

Multiple Choice

what type of symmetry does this organism show?

• bilateral symmetry

• radial symmetry

• asymmetry

Multiple Choice

Porifera are......

• segmented worms

• sponges

• comb jellies

• nematodes

• molluscs

Multiple Choice

sessile means

• immobile

• highly mobile

• floats in the water column

Multiple Choice

do sponges have organs?

• yes

• no

Multiple Choice

flagella are

• a slender threadlike structure

• a short microscopic hairlike vibrating structure

Multiple Choice

Water enters sponges through the ______.

• ostia/ostium
• oscula/osculum

Multiple Choice

The elastic fibrous protein found in sponges is called .....

• mesohyl
• spicules
• spongin
• tissue

Multiple Choice

The spongin and spicules make up what in sponges?

• digestive tract

• skin

• stomach

• skeleton

Multiple Choice

broadcast spawning is

• asexual reproduction

• sexual reproduction

Multiple Choice

Which examples are cnidarians

• jellyfish

• sponges

• earthworms

• starfish

Multiple Choice

is the Portuguese man of war a jelly fish?

• yes

• no

Multiple Choice

This form of cnidaria is known as a _______.

• polyp

• medusa

• larvae

• hermaphrodite

• filia

Multiple Choice

This form of cnidaria is known as a __________.

• medusa

• polyp

• cryptid

• larvae

• fillia

Multiple Choice

Cnidaria means ____ cells.

• shelter

• stinging

• polyp

• medussa

Multiple Choice

A cnidarian captures its prey by

• filtering it through pores
• paralyzing it with venom
• bringing it into the osculum
• killing it with spikes

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Cnidarians have nerves, but no central nervous system

• True
• False

Multiple Choice

Cnidarians have what type of symmetry?

• Asymmetry

• Radial

• Bilateral

• No symmetry

Multiple Choice

A fertilized egg is a

• ovary

• polyp

• zygote

• larva

Multiple Choice

cnidarian swimming larva is called

• Embryo

• Zygote

• Colony

• Planula

Multiple Choice

which is the stinging part?

• nematocyst

• medusa

• epidermis

• polyp

Multiple Choice

Which part do you think they contract to use for movement?

• tentacles

• arms

• bell

• mouth

Multiple Choice

which is a medusa?

Multiple Choice

most corals have symbiotic zooxanthellae which are

• dinoflagellates

• cyanobacteria

• green algae

Multiple Choice

what is this?

• sea anemone

• gargonian

• stony coral

• cubomedusa

Multiple Choice

Do Comb Jellies like this have Nematocysts

• yes

• no

Multiple Choice

what are comb jellies?

• Cnidarians

• Ctenophora

• Sporifera

Multiple Choice

what type of symmetry does a flatworm have?

• radial

• bilateral

• asymmetrical

Multiple Choice

flatworms have a brain

• yes

• no

Multiple Choice

ribbon worm has a mouth AND an anus

• yes

• no

Multiple Choice

the long tube used for entangling prey

• nematocyts

• proboscis

• epidermis

• mesoglea

• collar cells

Multiple Choice

a flexible skeleton supported by fluid pressure

• exoskeleton

• endoskeleton

• hydrostatic skeleton

• leptimatic skeleton

Multiple Choice

nematodes have

• bilateral symmetry

• radial symmetry

• asymmetry

Multiple Choice

What do you think this guy is?

• predator

• prey

• parasite

Multiple Choice

Which means on the side(s)

• dorsal

• ventral

• lateral

• caudal

Multiple Choice

What do you think Annelids are?

• crabs

• segmented worms

• fish

• snails

Multiple Choice

what kind of symmetry would a segmented worm have?

• radial

• bilateral

• asymmetrical

Multiple Choice

which is true of our segmented worms?

• the blood stays within blood vessels. In this way, blood is kept separate from body tissues. This system has a heart that pumps blood through a continuous circulation pattern

• the blood is not enclosed in the blood vessels, but is pumped into a cavity called a hemocoel.

Multiple Choice

Which phylum is the first to exhibit a closed circulatory system?

• Platyhelminthes
• Nematoda
• Annelida

Multiple Choice

Which of the following is the evolutionary advancement first found in annelids?

• Three germ layers
• A complete digestive system
• Cephalization
• Coelomates (tube within a tube)

Multiple Choice

which is the most common group of segmented worms?

• polychaetes

• nematoda

• pogonophorans

• leeches

Multiple Choice

what is used for gas exchange?

• skin

• gills

• coelom

• tentacles

Multiple Choice

beard worms absorb organic material floating in the water column, where do you think they would most likely live?

• deep water

• shallow water

Multiple Choice

Which means on the top or backside (also called the dorsal side)

• posterior

• ventral

• lateral

• caudal

• anterior

Multiple Choice

unsegmented body means

• the body is divided into functional units

• a body that is not divided into separate parts

• has no discernible organs

Multiple Choice

what retractable part do segmented worms use for feeding

• meniscus

• proboscis

• setae

• coelom

Multiple Choice

Soft bodied invertebrate with a thick muscular foot for movement: some have shells

• molluks

• arthropod

• segmented worm

• sponge

Multiple Choice

flat structure used for crawling and/or anchorage

• hand

• tongue

• foot

• radula

Multiple Choice

what part do mollusks use for grazing?

• medulla

• radula

• mantle

• foot

Multiple Choice

What is the meaning of Gastropod?

• Soft-bodied

• Stomach-footed

• Head-footed

• Two-shelled

Multiple Choice

Which class of Mollusks is the only class with some terrestrial species?

• Gastropods
• Bivalves
• Cephalopods

Multiple Choice

Which TYPE of mollusk has ONE or NO shell?

• Bivalve

• Gastropod

• Cephalopod

Multiple Choice

Which TYPE of mollusk has two shells?

• Bivalve

• Gastropod

• Cephalopod

Multiple Choice

water enters and exits the mantle through the

• medulla

• stellae

• siphons

Multiple Choice

how do bivalve mollusks get food

• catching pray with their foot

• filtering the water

• photosynthesis

• absorbing nutrients through the sediment

Multiple Choice

What does Cephalopod mean?

• means "2-shells"

• means "head-foot"

• means "stomach-foot"

• means "soft bodied"

Multiple Choice

Cephalopods move by

• using jet propulsion

• waving their tentacles back and forth.

• crawling along on a single muscular foot.

• clapping their shells together.

Multiple Choice

Which of the following is a function of the mantle in many mollusks?

• Mantle covers the internal organs.

• Mantle enables the mollusk to move.

• Mantle helps the mollusk digest food.

• Mantle removes wastes.

Multiple Choice

What does the term mollusca mean in Latin?

• Soft-bodied

• Hard-bodied

• Foot

• Slimy

• Seafloor

Multiple Choice

These molluscs have a head and a modified foot that are now arms or tentacles.

• Cephalopods

• Nudibranches

• Gastropods

• Bivalves

• Ctenidia

Multiple Select

Researchers report that octopuses can

• make decisions.

• solve problems and remember the solutions.

• make their way through mazes.

• use tools.

Multiple Choice

What phylum does the squid belong too?

• mollusk

• bivalve

• animal

• cephalopod

Multiple Choice

What class does the squid belong too?

• mollusk

• bivalve

• animal

• cephalopod

Multiple Choice

Ventral means

• topside

• underside

• side

• back

Multiple Choice

What type of circulatory system do most Molluscs have?

• Open

• Closed

Multiple Choice

The term 'arthropod' literally means

• bent leg

• jointed foot

• bent foot

• jointed skeleton

Multiple Choice

Which of the following is an Arthropod?

• Shark

• Turtle

• Crab

• Snake

Multiple Choice

Arthropods have an outer shell called a/ an ____________

• Endoskeleton

• Exoskeleton

• Bones

• Armor

Multiple Choice

The hard, flexible exoskeleton of arthropods is made of a substance called ________.

• Polycarbonate

• Calcium

• Nacre

• Chitin

Multiple Choice

What does cephalothorax mean?

• the arthropod body is thoroughly segmented
• the head and thorax segments have been joined together
• the abdomen and the thorax segments are joined together
• the head and abdomen are joined together

Multiple Choice

Letter C is identifying what part of a crayfish?

• abdomen

• cephalothorax

• cheliped

• telson

Multiple Choice

The carapace is the part of a crayfish's exoskeleton to covers and protects the

• head

• thorax

• abdomen

• cephalothorax

Multiple Choice

Which animal is NOT a Crustacean?

• Spider crab

• Barnacle

• Lobster

• Horseshoe crab

Multiple Choice

Which is the only sessile member of the marine arthropods?

• Coral 
• Sponges
• Anemones
• Barnacles

Multiple Choice

Barnacles use their ___________ to help them get food.

• Cilia

• Cirri

• Claws

• Carapace

Multiple Choice

Barnacles are hermaphroditic

• true

• false

Multiple Choice

the small little swimmerets on the crustacean

• cheliped

• pleopods

• uropods

• pereopods

Multiple Choice

What type of symmetry do Arthropods have?

• Radial

• Bilateral

• Asymmetrical

Multiple Choice

Which arthropod is considered a living fossil?

• Blue Claw Crab
• Lobster
• Horseshoe Crab
• Fiddler Crab

Multiple Choice

what is a proboscis

• an elongated sucking mouthpart that is typically tubular and flexible.

• a pair of mouthparts used either for biting or cutting and holding food

• used to recognize various chemical signals in water

• used for touching to find its way around

Multiple Choice

bryozoans can be planktonic and as individual animals

• yes

• no

Multiple Choice

a horseshoe-shaped structure bearing ciliated tentacles around the mouth in certain small marine invertebrates.

• hanophore

• stenophore

• lophophore

• marophore

Multiple Choice

What does the term echinoderm mean?

• tube feet

• star shaped

• spiny skin

• stomach foot

Multiple Choice

Which is an example of an Echinoidea member? 

• sea star
• sand dollar
• sea cucumber
• sea lilies 

Multiple Choice

Echinoderms have an internal skeleton and a system of fluid-filled tubes called a(n)...

• water vascular system
• nervous system
• notochord
• ampulla

Multiple Choice

What type of symmetry do adult echinoderms exhibit?

• Asymmetry

• Pentaradial symmetry

• Bilateral symmetry

• Trilateral symmetry

Multiple Choice

for many/most of the echinoderms

• the mouth is on top and anus on bottom

• the anus is on top and the mouth is on the bottom

Multiple Choice

Echinoderms have no head or brain.

• True

• False

Multiple Choice

What echinoderm is this?

• sea lily

• sea urchin

• sea cucumber

• sand dollar

Multiple Choice

when did crinoids first come around?

• 2 mya

• 115 mya

• 4 bya

• 530 mya

Multiple Choice

humans are chordates

• yes

• no

Multiple Choice

All chordates contain vertebrae.

• True

• False

Multiple Choice

Which of the following chordates are also vertebrates?

• Fish, Amphibians, Lancelets

• Fish, Birds, Reptiles, Mammals

• Tunicates, Sea squirts, Lancelets

• Lampreys, Lancelets, Amphibians

Multiple Choice

adult tunicates have a notochord

• yes

• no

Multiple Choice

lancelets have vertebrae

• yes

• no

Multiple Choice

On which side of the body is the Hollow Nerve chord located?

• Ventral

• Anterior

• Posterior

• Dorsal