Test 4 (Chapters 1-2) Flashcards

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1
Q

The stiff bristles on the body of the earthworm

A

setae

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2
Q

Most crustaceans have how many body regions?

A

3

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3
Q

Earthworms enrich the soil with what?

A

their castings

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4
Q

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

A

cephalothorax

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5
Q

Worms are not arthropods because they do not have this - a protective outer covering

A

an exoskeleton or external skeleton

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6
Q

Most crustaceans have how many legs

A

10

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7
Q

By releasing poison through the stink glands along the sides of its body near its many legs, this insect defends itself

A

millipede

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8
Q

Most crustaceans breathe with

A

gills

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9
Q

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

A

one

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10
Q

The pair of legs closest to the centipede’s what are the most poisonous?

A

Mouth

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11
Q

the structure that directs the work of the cell

A

nucleus

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12
Q

the tread like structures in a cell that determine the characteristics of the organism and how it runs

A

chromosomes

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13
Q

the jellylike fluid that fills the cell

A

cytoplasm

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14
Q

the structure that surrounds the cell and protects it

A

cell membrane

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15
Q

Using its foot as if it were sliding on its stomach allows what type of insect to move?

A

gastropod

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16
Q

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

A

coral polyp

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17
Q

Mussels, oysters, clams, scallops are all what? It means mollusks having two matching shells

A

bivalves

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18
Q

Five or more rays, each with two rows of tube feet

A

sea star

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19
Q

The snail is part of a group of one-shelled mollusks called…

A

univalve

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20
Q

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

A

barnacle

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21
Q

the tiniest crab

A

pea crab

22
Q

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

A

cleaner shrimp

23
Q

the shrimp with a stun gun

A

pistol shrimp

24
Q

the wood louse whose nickname is the roly-poly; expels an offensive odor when attacked

A

pill bug

25
Q

the shrimp that has “gill feet”; often used as aquarium food

A

brine shrimp

26
Q

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

A

hermit crab

27
Q

the favorite food of some whales

A

krill

28
Q

a small, freshwater lobster

A

crayfish

29
Q

the lobster with no pincers

A

spiny lobster

30
Q

an amoeba is a…

A

protozoan

31
Q

an ant is an

A

insect

32
Q

a tarantula is an

A

arachnid

33
Q

a scorpion is an

A

arachnid

34
Q

a barnacle is a…

A

crustacean

35
Q

a clam is a…

A

mollusk

36
Q

a crab is …

A

crustacean

37
Q

a paramecium is a…

A

protozoan

38
Q

an octopus is a

A

mollusk

39
Q

a ladybird beetle is an

A

insect

40
Q

the process of transformation which insects undergo

A

metamorphosis

41
Q

These trees have needles that grow in bundles

A

Pine

42
Q

the chemical process by which a plant produces food

A

Photosynthesis

43
Q

The tree that has smooth, papery bark that peels off in thin layers

A

birch

44
Q

green pigment that gives a green plant its color

A

Chlorophyll

45
Q

these trees are known for producing acorns

A

oak

46
Q

a plant that lives only for one season

A

annual

47
Q

these trees are a good source of sugar and syrup

A

Maple

48
Q

this type of tree bears cone instead of flowers

A

conifers

49
Q

Be able to identify each plant family

A

composite, grass, pea, lily, rose

50
Q

Write a paragraph describing the amoeba - include three important facts

A

has no definite shape (shape changes continually) - moves by means of pseudopods - uses its pseudopods to engulf food - must live in water; some live in the bodies of people or animals - some parasitic amoebas cause diseases such as amoebic dysentery