crustaceans & centipedes
other invertebrates
cell terms
invertebrate facts
crabs & shrimp
100
Most crustaceans have this many body regions
3
100
By releasing poison through the stink glands along the sides of its body near its many legs, the ______ defends itself.
millipede
100
The threadlike structures in a cell that determone the characteristics of the organism and how it runs.
chromosomes
100
Using its foot as if it were sliding on its stomach allows a _____ to move.
gastropod
100
the tiniest crab
pea crab
200
When the head and thorax are goined together the body region is called what?
cephalothorax
200
Worms are not arthropods because they do not have a(n)________, a protective outer covering.
external skeleton
200
The structure that surrounds the cell and protects it.
cell membrane
200
Mussels, oysters, clams, and scallops are all ____, mollusks having two matching shells.
bivalves
200
a shrimp that searches for parasites and other harmful thing on a fish
cleaner shrimp
300
Many crustaceans have this many legs
10 jointed legs
300
Earthworms enrich the soil with their ______.
castings
300
The jellylike fluid that fills the cell.
cytoplasm
300
The snail is part of a group of one- shelled mollusks called_____.
univalves
300
the crab whose shell covers only the front part of its body
hermit crab
400
A centipede has ___ pair(s) of legs on most body segments.
1 pair (2 legs) on most sections. The last two segments have no legs.
400
The stiff bristles on the doby of the earthworm are called
setae
400
The structure that directs the work of the cell
nucleus
400
Five or more rays, each with two rows of tube feet, are formed on the _____.
sea star
400
the shrimp that has "gill feet"; often used as aquarium food
brine shrimp
500
The pair of legs closest to the centipedes's ____ is always poisonous
mouth
500
Most crustateans breathe with ______.
gills
500
A tiny organ in a cell ( like the nucleus, mitochondria, golgi body...)
organelles
500
An invertebrate that builds a protective limestone cup at he base of its body is the _______.
coral polyp
500
the shrimp with a stun gun
pistol shrimp
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