Grade 6 Science Test 4

Front 1

stiff bristles on the body of the earthworm

Back 1

setae

Front 2

soil is enriched by the castings of what

Back 2

earthworm

Front 3

worms are not arthropods, because they do not have

Back 3

external skeleton

Front 4

defends itself by releasing stink glands on sides of its body near many legs

Back 4

millipede

Front 5

the pair of legs that are poisonous on a centipede are always located closest to its

Back 5

mouth

Front 6

the centipede has how many pairs of legs on most body segments

Back 6

one

Front 7

most crustaceans breathe with

Back 7

gills

Front 8

many crustaceans have how many legs

Back 8

ten

Front 9

when the head and thorax are joined together, the body region is called

Back 9

cephalothorax

Front 10

most crustaceans have how many body regions

Back 10

three

Front 11

structure that surrounds and protects the cell

Back 11

cell membrane

Front 12

threadlike structures in a cell that determine the characteristics of the organism

Back 12

chromosones

Front 13

structure that directs the work of the cell

Back 13

nucleus

Front 14

God-given ability of crustaceans to replace lost body parts

Back 14

regeneration

Front 15

uses its foot as if it were sliding on its stomach

Back 15

gastropod

Front 16

mollusks having two matching shells

Back 16

bivalves

Front 17

an invertebrate that builds a protective limestone cup at the base of its body

Back 17

coral polyp

Front 18

the snail is a part of a groupof one-shelled mollusks called

Back 18

univalves

Front 19

has five or more rays with two rows of tube feet on the underside of each ray

Back 19

sea star

Front 20

the tiniest crab

Back 20

pea crab

Front 21

a shrimp that searches for parasites and other harmful things on a fish

Back 21

cleaner shrimp

Front 22

the woodlouse whose nickname is the roly-roly; expels an offensive odor when attacked

Back 22

pill bug

Front 23

the crab whose shell covers only the front part of its body

Back 23

hermit crab

Front 24

a small, freshwater lobster

Back 24

crayfish

Front 25

the lobster with no pincers

Back 25

spiny lobster

Front 26

the crustacean that lives in moist soil

Back 26

wood louse

Front 27

the shrimp that has "gill feet"

Back 27

brine shrimp

Front 28

the shrimp with a stun gun

Back 28

pistol shrimp

Front 29

the crustacean that cements itself to an abject when it is young

Back 29

barnacle

Front 30

amoeba

Back 30

protozoan

Front 31

ant

Back 31

insect

Front 32

barnacle

Back 32

crustacean

Front 33

clam

Back 33

mollusks

Front 34

crab

Back 34

crustaceans

Front 35

ladybird beetle

Back 35

insects

Front 36

octopus

Back 36

mollusk

Front 37

paramecium

Back 37

protozoan

Front 38

scorpion

Back 38

arachnid

Front 39

tarantula

Back 39

aracnid

Front 40

process of transformation insects undergo

Back 40

metamorphosis

Front 41

chemical process by which a plant produces food

Back 41

photosynthesis

Front 42

green pigment that gives a green plant its color

Back 42

chlorophyll

Front 43

plant that lives for only one season of growth is called a

Back 43

annual

Front 44

trees that bear cones instead of flowers

Back 44

conifers

Front 45

smallest of all green plants

Back 45

algae

Front 46

good source of sugar and syrup

Back 46

maple trees

Front 47

known for producing acorns

Back 47

oak trees

Front 48

tree that has a smooth papery bark that peels off in thin layers

Back 48

birch

Front 49

have needles that grow in bundles

Back 49

pine trees