cold blooded invertbertes

Question 1

Vertebrates

Answer 1

an animal that has a backbone

Question 2

Endotherm

Answer 2

an animal that can use body heat from chemical reactions in the body’s cells to maintain a constant body temperature.

Question 3

ectotherm

Answer 3

an organism that needs sources of heat outside of itself

Question 4

lateral line

Answer 4

a faint line visble on both sides of a fish’s body that runs the length of the body and marks the location of sense organs that detect vibrations in water.

Question 5

gill

Answer 5

a repiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood.

Question 6

jawless fish

Answer 6

Ex. lamprey

Question 7

Cartilaginous

Answer 7

Ex. sharks, stingray

Question 8

Bony fishes

Answer 8

Ex. walleye,tune,Barracuda,clownfish

Question 9

Swim bladder

Answer 9

a gas-filled sac that is used to control buoyancy; also known as a gas bladder.

Question 10

lung

Answer 10

a resiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood.

Question 11

tadpole

Answer 11

the aquatic, fish-sharped larva of a frog or toad.

Question 12

Metamorphosis

Answer 12

a phase in the life cycle of many animals during which a rapid change from the adult form takes place.

Question 13

Caecilians

Answer 13

these amphibians live in tropical areas of Asia Africa and south america. scientists have discovered more than 160 species of caecilians.

Question 14

salamanders

Answer 14

There about 500 known species of salamanders As adults most salamanders live under stones and logs in the woods of north america.

Question 15

frogs

Answer 15

About 90% of all amphibians are frogs or toads. Frogs and toads are very similar in fact toads are a type of frog.

Question 16

toads

Answer 16

toads, such as this fowler’s toad spend led time in water than frogs do. Their skin is is drier and bumpier.

Question 17

Amphibians

Answer 17

amphibians are often called ecological indicators. in other words, unhealthy amphibians be an early sign of changes in an ecosystem.

Question 18

Turtles

Answer 18

the green sea turtle has a streamlined shell that helps the turtle swim and turn rapidly.

Question 19

Tortosie

Answer 19

The texas tortosie is one of four living species of tortosies native to north america.

Question 20

Crocodiles

Answer 20

A crocodile such as this american crocodlie, has narrow head and a ponited snot.

Question 21

alligator

Answer 21

an alligator, such as this american alligator, has a broad head and a rounded snout.

Question 22

Snakes

Answer 22

Cape cobras are famous for their deadly venom these aggresive snakes live in very dry areas.

Question 23

Lizards

Answer 23

The frilled lizard puffs out its frills to look threatening.

Question 24

tuataras

Answer 24

tuataras have survived without changing for about 150 million years.