Invertebrates are animals WITHOUT backbone.

• True
• False

The outside skeleton that forms an armor-like protection is called an ______.

• extinct
• skeleton
• exoskeleton
• skin

The worm is a small, segmented invertebrate equipped with ____.

• venom
• setae
• segment

_________ is the secretion that an octopus produces in its saliva to paralyze its prey.

• slug
• venom
• jet propulsion
• blowhole

___________ is how some invertebrates can maneuver in water.

• Jet propulsion

• Venom

• Streamlined

When invertebrates shed their exoskeleton or body covering it is called ________________.

• jet propulsion
• growth
• molting
• setae

Antennae are feelers or sense organs on the heads of some invertebrates.

• True
• False

The largest group in the animals of the world are __________.

• vertebrates
• invertebrates
• birds of prey

A slug HAS segmented body sections.

• True
• False

A octopus have 8 tentacles while a squid has __________.

• 5
• 7
• 4
• 10