Fishes, Amphibians, and reptiles

Question 1

all vertebrates belong to which phylum

Answer 1

Chordata

Question 2

True or False: All Chordata are vertebrates

Answer 2

false

Question 3

All Chordata have what at some stage of development

Answer 3

gills or gill slits

Question 4

All Chordata have a flexible skeletal rod which protects the hollow nerve chord, called

Answer 4

Notochord

Question 5

Vertebrates have a Notochord when?
What’s it replaced by?

Answer 5

in the embryo stge. replaced by backbone

Question 6

The back bone is the central part of the internal structure called

Answer 6

Endoskeleton

Question 7

endotherms are what?
also known as what?

Answer 7

animals which keep body temp same. A.K.A warmblooded

Question 8

ectotherms are what?
also known as what?

Answer 8

Animals which change body temp depending on temp outside. A.K.A coldblooded

Question 9

Fishes have what to remove oxygen from water

Answer 9

gills

Question 10

where are gills located

Answer 10

on either side of the head

Question 11

All fish:

Answer 11

are ectotherms
most have streamlined bodies and use fins for locomotion
good sense of smell
have highly developed nervous system

Question 12

The three types of fish are

Answer 12

Jawless
1.parasites
Cartilaginous
1.made fully of cartilage, a firm flexible
connective tissue
2.sharks in this class are carnivores
3. more dense than water
4. have to keep swimming always
Bony
1. most belong to this
2.have swim bladder to conserve energy
3.covered in smooth scales covered in a
thin layer of mucus
4.some have both lungs and gills

Question 13

Frogs are ectothemic or endothermic

Answer 13

ectothermic

Question 14

Frogs, salamanders, and toads are all

Answer 14

amphibians

Question 15

Amphibians live where

Answer 15

both in water and on land

Question 16

amphibians evolved from

Answer 16

lobe-fined fish

Question 17

amphibians have gills or lungs?

Answer 17

both, neither or one

Question 18

Amphibians need what to reproduce

Answer 18

water

Question 19

eggs of amphibians evolve into what

Answer 19

tadepoles

Question 20

In frogs and toads, how much does the tadpole change

Answer 20

completely

Question 21

Amphibians divided into several groups

Answer 21

frogs and toads
1.only amphibians to not have tail as adult
2.change in shape is called
metamorphosis
3. fins of tadpole turn into legs
Salamanders and Newts
1.have tails

Question 22

reptiles evolved from

Answer 22

amphibian ancestors

Question 23

what type of body covering do reptiles have

Answer 23

dry, waterproof out of scales

Question 24

reptile eggs are

Answer 24

waterproof

Question 25

reptiles have how many chambers in their hearts

Answer 25

3

Question 26

3 groups of reptiles

Answer 26

Lizard and snakes 1.carnivorous 2.jaw hing 3.snakes have super bad hearing and sight but amazing sense of smell Turtles and Tortoises 1.have shells covered by layer of skin 2.shells formed by bony plates connected to ribs 3. Tortoises live on land, most turtles live in water Alligators and Crocodiles 1.closest living relatives to dinos 2.Alligators have broad head round snout, Crocodiles have thin head pointy snout 3.care for young