Creepy Crawlies
Do You Remember?
Crabs in Particular
Crustaceans in General
Miracle Building Blocks
100

A centipede has this many pairs of legs on most body segments.

What is one?

100

The process of transformation which insects undergo.

What is metamorphosis?

100

The smallest crab.

What is a pea crab?

100

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

What is cephalothorax?

100

The structure that surrounds a cell and protects it.

What is a cell membrane?

200

A pair of legs closest to this part of the centipede is always poisonous.

What is the mouth?

200

The chemical process by which a plant produces food.

What is photosynthesis?

200

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

What is a hermit crab?

200

Most crustaceans breath with these.

What are gills?

200

The threadlike structures in a cell that determine the characteristics of the organism and how it runs.

What are chromosomes?

300

Worms are not an arthropod because they does not have this.

What is an exoskeleton?

300

This is the green pigment that gives a green plant its color.

What is chlorophyll?

300

The largest crab.

What is the Japanese spider crab?

300

Most crustaceans have this many body regions.

What is three?

300

The jellylike fluid that fills a cell.

What is cytoplasm?

400

The stiff bristles on the body of the earthworm.

What are setae?

400

A plant that lives only for one season of growth.

What is an annual?

400

The number of legs a crab has.

What is ten?

400

Many crustaceans have this many legs.

What is ten?

400
The structure that directs the work of the cell.

What is the nucleus?

500

Earthworms enrich the soil with this.

What are castings?

500

The smallest green plants.

What are algae?

500

A semi-nocturnal crab.

What is a ghost crab?

500

This crustacean cements itself to an object when it's young.

What is a barnacle?

500

Small structures in a cell surrounded by a membrane and have specific functions.

What are organelles?

600

By releasing poison through the stink glands along the side of its body near its many legs this animal defends itself.

What is a millipede?

600

A tree with smooth, papery bark that peels off in thin layers.

What is a birch?

600

The group crabs belong in is this.

What is crustaceans?

600

The group a barnacle belongs in is this.

What is crustaceans?

600

* The reason cells (and not molecules and atoms) are the smallest living unit.

Why is because molecules and atoms are not alive?