Test 4 (Chapters 1-2) Flashcards
The stiff bristles on the body of the earthworm
setae
Most crustaceans have how many body regions?
3
Earthworms enrich the soil with what?
their castings
When the head and thorax are joined together, the body region is called…
cephalothorax
Worms are not arthropods because they do not have this - a protective outer covering
an exoskeleton or external skeleton
Most crustaceans have how many legs
10
By releasing poison through the stink glands along the sides of its body near its many legs, this insect defends itself
millipede
Most crustaceans breathe with
gills
A centipede has how many pairs of legs on most body segments
one
The pair of legs closest to the centipede’s what are the most poisonous?
Mouth
the structure that directs the work of the cell
nucleus
the tread like structures in a cell that determine the characteristics of the organism and how it runs
chromosomes
the jellylike fluid that fills the cell
cytoplasm
the structure that surrounds the cell and protects it
cell membrane
Using its foot as if it were sliding on its stomach allows what type of insect to move?
gastropod
An invertebrate that builds a protective limestone cup at the base of its body
coral polyp
Mussels, oysters, clams, scallops are all what? It means mollusks having two matching shells
bivalves
Five or more rays, each with two rows of tube feet
sea star
The snail is part of a group of one-shelled mollusks called…
univalve
the crustacean that cements itself to an object when it is young
barnacle
the tiniest crab
pea crab
a shrimp that searches for parasites and other harmful things on a fish
cleaner shrimp
the shrimp with a stun gun
pistol shrimp
the wood louse whose nickname is the roly-poly; expels an offensive odor when attacked
pill bug
the shrimp that has “gill feet”; often used as aquarium food
brine shrimp
the crab whose shell covers only the front part of its body
hermit crab
the favorite food of some whales
krill
a small, freshwater lobster
crayfish
the lobster with no pincers
spiny lobster
an amoeba is a…
protozoan
an ant is an
insect
a tarantula is an
arachnid
a scorpion is an
arachnid
a barnacle is a…
crustacean
a clam is a…
mollusk
a crab is …
crustacean
a paramecium is a…
protozoan
an octopus is a
mollusk
a ladybird beetle is an
insect
the process of transformation which insects undergo
metamorphosis
These trees have needles that grow in bundles
Pine
the chemical process by which a plant produces food
Photosynthesis
The tree that has smooth, papery bark that peels off in thin layers
birch
green pigment that gives a green plant its color
Chlorophyll
these trees are known for producing acorns
oak
a plant that lives only for one season
annual
these trees are a good source of sugar and syrup
Maple
this type of tree bears cone instead of flowers
conifers
Be able to identify each plant family
composite, grass, pea, lily, rose
Write a paragraph describing the amoeba - include three important facts
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
