Zoology 3Rd Nine Weeks Exam

Front 1

Term for an animal that gains heat through the environment

Back 1

Ectotherm

Front 2

Freshwater fish produce large amounts of this type of urine to overcome the large amounts of water that enter through osmosis

Back 2

Dilute

Front 3

This term refers to fish that spend their adult lives at sea but return to freshwater to spawn

Back 3

Adadromous

Front 4

Another term for nekton; refers to animals that spend their time swimming through the ocean waters

Back 4

Pelogic

Front 5

System of jelly-filled canals that allows fish to sense vibrations in water

Back 5

Lateral line

Front 6

Name for the group of jawed vertebrates

Back 6

Gnathostomata

Front 7

Like leeches, lampreys secrete this into their hosts to promote blood flow and help prevent blood clotting

Back 7

Anticoagulant

Front 8

Substance produced by hagfish from special glands that line the body

Back 8

Slime

Front 9

Name of the superclass containing all jawless fish

Back 9

Agnatha

Front 10

A group of extinct armored fish

Back 10

Placoderms

Front 11

The egg laying behavior of fish

Back 11

Spawning

Front 12

Refers the bottom-dwelling animals that spend their time at the bottom surface of the ocean

Back 12

Genthic

Front 13

Term for organisms in which the babies are. Born alive from their mother

Back 13

Viviparous

Front 14

Openings behind the eyes of rays used to bring in water for respiration

Back 14

Spiracles

Front 15

Refers to animal whose body temperature adjusts depending on the external environment

Back 15

Polkllothemic

Front 16

Hard plate that covers the gills of bony fish

Back 16

Operculum

Front 17

Term for organisms In which the babies develop from and egg inside the mother and are later born

Back 17

Oveviviparous

Front 18

Fish are members of this subphylum

Back 18

Vertebrata

Front 19

Body shape of a shark;designed to reduce water resistance

Back 19

Fusiform

Front 20

Body shape of fish; allows them to move rapidly in water

Back 20

Streamlined

Front 21

Receptor organs which make up the lateral line system

Back 21

Nuromasts

Front 22

Colorful, venomous fish species that has invaded the Atlantic

Back 22

Lion fish

Front 23

Modified pelvic fins on male cartilaginous fish

Back 23

Claspers

Front 24

Marine fish are this type of regulator because their tissues are less salty than their surroundings

Back 24

Hypoosmotic

Front 25

Bony fish use their gas-filled organ for buoyancy

Back 25

Swimbladder

Front 26

Organ in sharks used to remove excess sodium and chlorine ions from the body

Back 26

Anadromous

Front 27

Coloration of fish in which the dorsal surface is dark and ventral surface is light

Back 27

Countershaded

Front 28

Sharks have this type of scale

Back 28

Placoid

Front 29

The largest species of ray

Back 29

Manta ray

Front 30

Time period known the age of fishes

Back 30

Pevonian

Front 31

Cartilaginous fish store these in their liver to aid in buoyancy

Back 31

Lipids

Front 32

Smooth, circular scales often found on bony fish

Back 32

Cycloid

Front 33

Parasitic fish that has devastated many Great Lakes fisheries

Back 33

Sea lamprey

Front 34

Fish have a heart with this many chambers

Back 34

Two