Insects and other arthropods
Plants
Trees
other invertebrates
Miscellaneous
100

The protective outer covering of arthropods is called a ____.

What is an exoskeleton (or external skeleton)

100

This flower family has petals that grow in multiples of 3, and grow from bulbs.

What is the Lily family?

100

______ trees bear cones instead of flowers?

What are conifers?

100

The ______ is the smallest crab.

What is the pea crab?

100

Some of the smallest green plants.

What are algae?

200

The many-legged arthropod, that defends itself by releasing poison through some glands on its body is the ______.

What is the Millipede?

200

_____ is the green pigment that gives plants their green color.

What is chlorophyll?

200

Growth in a tree takes place in the ______ layer underneath the bark.

What is cambium?

200

An animal that has five or more rays, each with two rows of tube feet, is the ______.

What is the starfish?

200

Mussels, oysters, clams, and scallops are all ______, having two matching shells.

What are bivalves?

300

The ____ is when the head and thorax are joined together.

What is a cephalothorax?

300

Single cells that some plants produce instead of seeds are called ______.

What are spores?

300

The tree that has smooth, papery bark that peels of in thin layers is the _____ tree.

What is birch?

300

______ are single celled invertebrates.

What are protozoans?

300

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

What are Chromosomes?

400

Tarantulas, spiders, mites, and scorpions are part of the ______ family.

What is arachnid?

400

A scientist who studies plants is called a _______.

What is a botanist?
400

______ trees are a good source of sugar and syrup.

What are maple trees?

400

The _____ has no definite shapes, uses pseudopods to move, and must live in water.

What is the amoeba?

400

The structure that directs the work of the cell.

What is the nucleus?

500

The tough material that is used to make an exoskeleton is called _____.

What is chitin?

500

The _____ system is the part of the plant above ground.

What is the shoot system?

500

The _____ is the tallest tree.

What is the California Redwood?

500

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

What is barnacle?

500

the jelly like fluid that fills the cell.

What is the cytoplasm?