unit 2 vocab 10/23

Question 1

amphibians

Answer 1

cold blooded vertebrates. live in water

Question 2

annelids

Answer 2

segmented worms

Question 3

arthropods

Answer 3

animals with jointed legs and hard exoskeletons

Question 4

birds

Answer 4

warm blooded vertebrates with feathers

Question 5

chordates

Answer 5

animals with nerve cord, gill slits, and notochord

Question 6

cnidaria

Answer 6

phylum of animals with stinking cells

Question 7

crustaceans

Answer 7

marine arthropods with segmented bodies, paired limbs, and antennae

Question 8

echinoderms

Answer 8

animals with spiny skin and tube feet

Question 9

endoskeleton

Answer 9

internal support structure

Question 10

exoskeleton

Answer 10

external support structure

Question 11

fish

Answer 11

cold blooded vertebrates with scales and gills

Question 12

gills

Answer 12

respiratory organ of some marine, freshwater and land animals

Question 13

hydrostatic skeleton

Answer 13

a body cavity filled with water and surrounded by muscles

Question 14

invertebrates

Answer 14

animals without backbones

Question 15

mammals

Answer 15

vertebrates. warm blooded have hair, milk for young, lungs and breathe air

Question 16

mollusks

Answer 16

invertebrates. side bodies and muscular foot

Question 17

phylum

Answer 17

major group of organisms

Question 18

porifera

Answer 18

phylum of sponges. animals with pores

Question 19

reptiles

Answer 19

cold blooded vertebrates. live on land and have dry scaly skin

Question 20

vertebrates

Answer 20

group of chordates that have backbones

Question 21

zoologist

Answer 21

studies animals