S1
S2
S3
S4
S5
100

Jellylike fluid that fills the cell

cytoplasm

100

The stiff bristles on the body of the earthworm are called 

setae

100

Using its foot as if it were sliding on its stomach allows a ________ to move.

gastropod

100

tiniest crab

pea crab

100

what is the chemical process in which a plant makes it's food

photosynthesis

200

structure that directs the work of the cell

nucleus

200

Earthworms enrich the soil with their 

castings

200

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

coral polyp 

200

crustacean that cements itself to an object when it is young

barnacle

200

The ______ tee's needs grow in bundles 

Pine

300

Structures in a cell that determine the characteristics of the organism and how it runs 

Chromosomes 
300

Worms are not arthropods because they do not have a(n)_________

external skeleton 

300

Mollusks having two matching shells 

bivalve 

300

shrimp that searches for parasites and other harmful things on fish

cleaner shrimp

300

These trees bear cones instead of flowers

conifers

400

The structure that surrounds and protects the cell

cell membrane 

400

Most crustaceans breathe with

gills

400

Snail is part of this mollusk group

univalve 

400

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

barnacle 

400

Some of the smallest green plants are _______

algae 

500

Tiny organ in cell

organelle

500

the pair of legs closest to the _______ mouth are poisonous .

centipede's

500

how many rays  of tube feet grow on the sea star

 5 or more

500

lobster with no pincers

spiny lobster 

500

These trees are known for producing acorns

oak 

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