Deck 15: Marine Animals

Question 1

What is a relatively large classification for a group of animals that share similar architecture, level of complexity, and evolutionary history?

A) Order
B) Phylum
C) Family
D) Genus

Answer 1

B

Question 2

Which is not a characteristic of an arthropod?

A) Exoskeleton
B) Articulation of appendages
C) Striated muscle
D) Central nervous system

Answer 2

D

Question 3

What is the most effective anti-drag body plan?

A) Torpedolike
B) Horizontally compressed
C) Vertically compressed
D) Disk-shaped

Answer 3

A

Question 4

What is considered the most advanced animal phyla?

A) Chordata
B) Echinodermata
C) Mollusca
D) Arthropoda

Question 5

What is considered the most primitive true animal?

A) Porifera
B) Cnidaria
C) Annelida
D) Mollusca

Question 6

What would be one thing that humans could do in terms of caring for the ocean according to National Geographic Explorer Brad Norman?

A) increase research on whale sharks
B) treat the ocean like your home, respect and protect it
C) reduce fishing
D) reduce pollution

Question 7

What makes up the greatest biomass of any species on Earth?

A) King crab
B) Krill
C) Squid
D) Coral

Question 8

What phylum contains sea jellies?

A) Porifera
B) Cnidaria
C) Echinodermata
D) Platyhelminthes

Question 9

Which animal is considered to be a suspension feeder?

A) Fish
B) Sea stars
C) Sponges
D) Conches

Question 10

Which worm has a segmented body plan?

A) Platyhelminthes
B) Nematodes
C) Roundworms
D) Polychaetes

Question 11

What do squid use as a decoy defense mechanism?

A) Cnidoblasts
B) Internal shells
C) Coagulated ink
D) Propulsion

Question 12

Which phylum is found exclusively in marine habitats?

A) Mollusca
B) Arthropoda
C) Echinodermata
D) Annelida

Question 13

What is an ophiuroid?

A) Sea urchins
B) Tunicate
C) Salps
D) Brittle stars

Question 14

What adaptation have only toothed whales developed for prey detection?

A) Ability to generate internal body heat
B) Bradycardia
C) Advanced gas exchange system
D) Echolocation

Question 15

What is the term for vertebrates who have a skeleton made of cartilage?

A) Osteichthyes
B) Chondrichthyes
C) Reptilia
D) Ophiuroids

Question 16

What is the transitional organism from invertebrates to vertebrates?

A) Ophiuroids
B) Echinoids
C) Salps
D) Amphioxus

Question 17

What needle-like structure provides a skeletal network for a sponge?

A) Cnidoblasts
B) Polyps
C) Spicules
D) Zooxanthellae

Question 18

What class is comprised of nautiluses, octopuses, and squid?

A) Cephalopoda
B) Bivalia
C) Gastropoda
D) Mollusca

Question 19

What order has the most living bony fish species?

A) Chondrichthyes
B) Osteichthyes
C) Teleostei
D) Coelacanths

Question 20

Platyhelminthes were the first organisms to have:

A) fully developed brain.
B) notochord.
C) central nervous system.
D) eyes

Question 21

What unique feature do all echinoderms have?

A) Water vascular system
B) An expelling stomach
C) A complex chewing jaws
D) Brains

Question 22

Photosynthetic autotrophs changed the composition of the atmosphere during the oxygen revolution.

Question 23

The symmetry in worms represents the transition from simple to advanced organisms.

Question 24

What special tool do tunicates use to obtain more food when suspension feeding?

A) Tunic outer covering
B) Mucous plankton net
C) Water vascular system
D) Notochord

Question 25

Cnidarians exhibit bilateral symmetry, an advancement from the phylum Porifera.

Question 26

What is an invertebrate chordate?

A) A chordate that has lost its gill slits
B) A chordate with an underdeveloped dorsal nerve system
C) A chordate that has lost its notochord
D) A chordate that evolved to become an invertebrate

Question 27

What percentage of all living and fossil animals are invertebrates?

A) 10%
B) 50%
C) 70%
D) 90%

Question 28

What comprises an arthropod's exoskeleton?

A) Keratin
B) Spicules
C) Chitin
D) Bone

Question 29

Polychaetes are the most successful worm phyla, being found in terrestrial, aquatic, and marine environments.

Question 30

What do the simplest vertebrates lack?

A) Jaws
B) Notochord
C) Central nervous system
D) Teeth

Question 31

Squid are the most intelligent invertebrates.

Question 32

Schooling behavior makes normally small fish appear like a large organism from a distance.

Question 33

The vertebrates' skull made the evolution of intelligence feasible.

Question 34

What are the stinging cells present in cnidarians?

A) Cnidoblasts
B) Spicules
C) Nettles
D) Gastrodermis

Question 35

The teeth in odontocetes are made of baleen.

Question 36

How do some predatory sharks find their prey?

A) They are attracted to vibrations in the water.
B) They use their keen sense of smell.
C) They use sensitive organs underneath their skin.
D) All of these choices

Question 37

Marine birds usually avoid land unless they are finding food.

Question 38

Which marine reptiles make long migrations to lay eggs on the very same beach they hatched from?

A) Sea turtles
B) Crocodiles
C) Lizards
D) Sea snakes

Question 39

Sharks and rays tend to be larger than bony fish.

Question 40

Which phylum has the most number of species?

A) Mollusca
B) Arthropoda
C) Chordata
D) Annelida

Question 41

Brittle stars employ a unique evasive technique that involves detaching an arm if grabbed by a predator.

Question 42

Coral and barnacles are both arthropods due to their hard outer exoskeletons.

Question 43

Some mollusks are segmented, indicating a common ancestor with annelids.

Question 44

What animal is responsible for building tropical reefs? What is the term for this behavior? What kind of symbiosis occurs within the tissues of these organisms?

Question 45

Compare and contrast the three phyla of worms. Which is considered to be the most evolutionarily advanced?

Question 46

The first fish evolved about 50 million years ago.

Question 47

What is the difference between invertebrate and vertebrate chordates? What organism has characteristics of both?

Question 48

In the Insight to A National Geographic Explorer segment about Sylvia Earle's encounter with an octopus, we learn that humans are newcomers who have managed to dominate the earth in a relatively short time.  Why does she have a problem with this? What are some problems that you could envision from human dominance

Question 49

What characteristics have made arthropods the most successful phylum? How do these animals grow? Can you think of any disadvantage of growing this way?

Question 50

The evolution of the notochord in chordates permitted a more complex embryonic development.