Vertebrates

Question 1

all vertebrates belong to which phylum?

Answer 1

chordata

Question 2

what 3 things do vertebrates have?

Answer 2

a vertabrae(backbone), a endoskeleton, and a cranium

Question 3

name the 5 classes of vertebrates

Answer 3

fish, amphibians, reptiles, birds, mammals

Question 4

what are fish?

Answer 4

it is a very large group of vertebrates

Question 5

name the 3 groups of fish

Answer 5

lamphreys and hagfish, sharks-rays-and skates, bony

Question 6

lamphreys and hagfish

Answer 6

fish that have eel like bodies and no jaws

Question 7

sharks, rays, and skates

Answer 7

fish that have jaws and are covered with a unique kind of scale

Question 8

bony fish

Answer 8

the ones we are familiar with, they have jaws- salmon, bass, catfish

Question 9

why does amphibians mean “double life”

Answer 9

because they spend half their life on land and half their life in water

Question 10

describe the physical characteristics of amphibians.

Answer 10

have moist, thick skin with no scales. have webbed feet without claws

Question 11

they(amphibians) use in water and on land

Answer 11

gills, lungs

Question 12

what helps amphibians breathe?

Answer 12

their skin

Question 13

they start out their life in a ( ) stage to a ( ) land adult form

Answer 13

larvae, terrestrial

Question 14

how do they reproduce and lay eggs?

Answer 14

they reproduce externally and lay their eggs in moist places

Question 15

name some amphibians

Answer 15

frogs, toads, salamanders

Question 16

what are reptiles?

Answer 16

they are the most diverse group of vertebrates

Question 17

give some physical characteristics of reptiles.

Answer 17

dry and scaly skin, breathe through lungs, cold blooded

Question 18

how do they(reptiles) fertilize?

Answer 18

internally

Question 19

name some reptiles

Answer 19

snakes, turtles, crocodiles, alligators, lizards

Question 20

names some things about birds

Answer 20

most can fly, most have feathers, have wings, have beaks, lay eggs

Question 21

what type of bones do birds have and why?

Answer 21

hollow bones which makes flying easier

Question 22

whats special about birds

Answer 22

they have a body temp of about 104-106 which gives them a high metabolism thus providing them with tons of energy

Question 23

how are mammals blooded?

Answer 23

they are warm blooded

Question 24

how do mammals produce body heat?

Answer 24

through metabolism

Question 25

how are mammals hearts built

Answer 25

in atriums and ventricles, they are four chambered

Question 26

how are mammals jaws built?

Answer 26

lower jaw is one single jaw, have different teeth with different functions

Question 27

explain why female mammals produce milk

Answer 27

it is produced in the mammary glands and fed to young

Question 28

tell me the three groups mammals are divided in to

Answer 28

monotremes, marsupials, and placental

Question 29

why are monotremes unique?

Answer 29

because they are egg laying

Question 30

name the two monotermes

Answer 30

platypus and spiny anteater

Question 31

how do marsupials give birth?

Answer 31

vivporous, which means gives to live young

Question 32

what is the only marsupial found in the us?

Answer 32

virginia opossum

Question 33

name some marsupials

Answer 33

kangaroo, koala, wombats, and tasmanian devils

Question 34

placental mammals explain fully

Answer 34

its the majority of all mammals, young are nourished through placenta, us humans belong here