Show:
Invertebrates 1
Invertebrates 2
Invertebrates 3
Invertebrates 4
Invertebrates 5
100
All invertebrates have no ______________.
What is backbone?
100
How many pairs of legs do insects have?
What is 3?
100

The pores that let water in a sponge

What are ostia?

100
The phylum the brown tube sponge is part of.
What is porifera?
100

An insect's life cycle, which includes different body forms.

What is complete metamorphosis?

200
The phylum most animal species are found in.
What is Arthropoda?
200
The type of circulatory system earthworms have.
What is closed?
200
The chamber in an earthworm's digestive system that temporarily stores food.
What is crop?
200
This is the type of symmetry flatworms have.
What is bilateral?
200

This type of animal has tube feet in its water-vascular system.

What is sea star/echinoderm?

300

Starfish have this type of symmetry.

What is pentaradial symmetry

?

300
Animals that have two shells hinged together are called _____________.
What are bivalves?
300
The three sections of an insect.
What is the head, thorax, and the abdomen?
300
The chamber in the earthworm's digestive system that grinds food during mechanical digestion.
What is the gizzard?
300

The four stages of complete metamorphosis. (In order from earliest to latest stage.)

What is egg, larva, pupa, and adult?

400

Spicules, choanocytes, and flagella are all parts of __________.

What is sponges?

400
How clams obtain food.
What is by filtering food from the water?
400

Earthworms carry on respiration through which embryonic layer of tissue.

What is ectoderm?

400
The structures that control the blood pressure in an earthworm.
What are the aortic arches?
400
A collection of nerve tissue called a "simple brain".
What is ganglion?
500

This type of skeleton is found in echinoderms.

What is an endoskeleton?

500
Organisms that have both male and female reproductive structures in the same body are called ___________.
What is hermaphroditic?
500
The stinging cells of a hydra or jelly fish.
What are nematocysts?
500
A tube that transports gases inside insects.
What is trachea?
500
Tiny bristles an earthworm uses for movement.
What is setae?