Marine Biology Exam Final Version

In what domain do Porifera reside?

Domain Eukaryota

What is the common name for Porifera?

Sponges

How do sponges feed?

They are filter feeders

What is a spicule?

A solid structure used for support in sponges

Which of the following animals is radially symmetrical?

Coral polyp

Which of the following is true of cnidarians?

Cnidaria have only 1 opening which serves as both a mouth and anus; Cnidaria have a gastrovascular cavity where food is digested; Cnidaria have stinging cells known as nematocysts

Which of the following organisms is in the Phylum Cnidaria?

Sea anemone

Jellies from the phylum Cnidaria have brains.

False

In what phylum are snails located?

Molluscs

In what class are hydrothermal vent tube worms located?

Polychaetes

In what phylum are squid located?

Molluscs

In what class are squid located?

Cephalopods

In what class are snails located?

Gastropods

In what class are clams located?

Bivalves

In what phylum are clams located?

Mollusca

In what phylum are flatworms located?

Platyhelminthes

In what phylum are ribbon worms located?

Nemertea

Which of the following features are found in flatworms?

Tissues such as mesoderm

Which of the following features are found in ribbon worms?

Anus; Circulatory system; Proboscis

Which of the following features are found in polychaetes?

Anus; Circulatory system; Coelom

Which of the following creatures has 2 shells?

Bivalve

Which of the following creatures has a coiled mass of vital organs and usually a single shell?

Gastropod

Which of the following creatures has large well developed eyes and swims using its siphon?

Cephalopod

Which organisms are in the class Asteroidea?

Sea stars

Which organisms are in the class Ophiuroidea?

Brittle stars

Which organisms are in the class Holothuroidea?

Sea cucumbers

Which organisms are in the class Echinoidea?

Sea urchins

Which phylum contains crinoids?

Phylum Echinodermata

Which phylum contains crabs?

Phylum Arthropoda

Which phylum contains sea cucumbers?

Phylum Echinodermata

Which phylum contains copepods?

Phylum Arthropoda

Which phylum contains sea stars?

Phylum Echinodermata

What characteristic is present in sea stars?

Water vascular system

Which organism has internal organs

such as gonads and digestive organs

Which of the following is in the phylum arthropoda?

Crabs; Barnacles; Isopods

Arthropods have .

Jointed appendages

Which of the following is an odontocete?

Dolphin

Which of the following is not true of sea turtles?

Sea turtles spend the majority of their life on land.

Which of the following is a pinniped?

Sea lion

Albatross spend the majority of their lives at sea

gliding over the ocean in search of food.

Which of these is a characteristic of sea turtles?

Oviparous; Leave the water to reproduce; Are tetrapods; Are poikilotherms

Penguins:

Can be found as far north as the Equator

Sea lions can be readily distinguished from seals because in contrast to seals they have:

External ears

Blubber is found in all of these marine mammals except:

Sea otters

Which of these is NOT a function of blubber:

Circulation

The gray whale feeds mostly on:

Bottom crustaceans

Baleen whales lack:

Teeth

Echolocation is a sense that relies on:

Sound

Echolocation is present in:

All toothed whales

Breaching refers to whales:

Jumping above the surface

The humpback and other baleen whales migrate every year to:

Reproduce in the tropics during the winter

Tunicates are in the Phylum _.

Chordata

What features are found in all members of the Phylum Chordata?

A notochord; A dorsal-hollow nerve cord; Pharyngeal slits; Post-anal tail

Which of the following is true of hagfish?

Produces slime

From which group of fish did tetrapods (like humans) descend?

Lobe finned fish

Which type of fish is most common

with more than 20

In fish

the operculum is used for _.

Pelvic fins are located on the ____ of fish.

Anterior

Anal fins are located on the ____ of fish.

Posterior

When considering how fish and mammals swim

there is a difference in body movement. A fish uses its tail in a __ motion.

Which of the following systems are found in fish?

Respiratory system; Nervous system; Digestive system