Oce 15

Front 1

​What classification describes a group of animals that share similar architecture, level of complexity, and evolutionary history?

Back 1

​phylum

Front 2

Which animal is a suspension feeder?​

Back 2

​sponges

Front 3

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

Back 3

​spicules

Front 4

The most primitive true animal belongs to the phylum ____.​

Back 4

​Porifera

Front 5

What phylum contains jellyfish?​

Back 5

​Cnidaria

Front 6

What percentage of all living and fossil animals are invertebrates?​

Back 6

​90%

Front 7

What are the stinging cells present in cnidarians?​

Back 7

​cnidoblasts

Front 8

Which worm has a segmented body plan?​

Back 8

Polychaeta​

Front 9

Platyhelminthes were the first organisms to have ____.​

Back 9

​a central nervous system

Front 10

​The exoskeleton of an arthropod is composed of ____.

Back 10

​chitin

Front 11

Nautiluses, octopuses, and squid belong to which class?​

Back 11

Cephalopoda

Front 12

​What do squid use as a decoy defense mechanism?

Back 12

​coagulated ink

Front 13

​Which phylum is found exclusively in marine habitats?

Back 13

​Echinodermata

Front 14

What is an ophiuroid?​

Back 14

​brittle stars

Front 15

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

Back 15

​krill

Front 16

What unique feature do all echinoderms have?​

Back 16

​water vascular system

Front 17

Which phylum has the most number of species?​

Back 17

​Arthropoda

Front 18

Which crustacean is known for grazing on diatoms and dinoflagellates and is among the most abundant multicellular animals on the planet?

Back 18

​copepods

Front 19

​What is considered the most structurally complex animal phylum?

Back 19

​Chordata

Front 20

What type of behavior is described as anadromous?​

Back 20

Migration to freshwater to spawn

Front 21

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

Back 21

​mucous plankton net

Front 22

What is an invertebrate chordate?​

Back 22

​A chordate that has lost its notochord

Front 23

What do the simplest vertebrates lack?​

Back 23

​jaws

Front 24

About 90% of all living fishes are contained within the order ____.​

Back 24

​Teleostei

Front 25

What is the class of vertebrates who have a skeleton made of cartilage?​

Back 25

​Chondrichthyes

Front 26

​Where do most seabirds live?

Back 26

​Southern hemisphere

Front 27

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

Back 27

​Sea turtles

Front 28

Which animal is the only herbivorous marine mammal?​

Back 28

​manatee

Front 29

Which organism uses echolocation to search for prey?​

Back 29

​toothed whale

Front 30

Which is the largest species of shark?​

Back 30

​whale shark

Front 31

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

Back 31

False

Front 32

Marine birds usually avoid land unless they are hunting.​

Back 32

False

Front 33

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

Back 33

True

Front 34

Sharks and rays tend to be larger than bony fish.

Back 34

True

Front 35

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

Back 35

True

Front 36

Arthropods have a steady growth pattern growing bigger over time.​

Back 36

False

Front 37

Squid are the most intelligent invertebrates.

Back 37

False

Front 38

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

Back 38

False

Front 39

The vertebrate skull made the evolution of intelligence possible.​

Back 39

True

Front 40

The teeth in odontocetes are made of baleen.​

Back 40

False

Front 41

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

Back 41

False

Front 42

The first fish evolved about 50 million years ago.

Back 42

False

Front 43

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

Back 43

True

Front 44

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

Back 44

True

Front 45

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

Back 45

True