Definitions
A hard, outer skeleton that surrounds an animals body
Exoskeleton
How many legs do insects have?
How do crustaceans begin life?
As an egg
What is the main structure of a mollusk called?
Mantle
Are leeches considered worms?
Yes
A major change in the animals body shape during it's life cycle
Metamorphasis
How many wings do insects have?
What protects the soft body of a crustacean?
The exoskeleton
What is the main difference between a slug and a snail?
The slug shell is on the inside, the snail shell is on the outside
What is the role of worms in the ecosystem?
They decompose matter so that nutrients can be distributed and cycled back through the ecosystem
A mollusk with a shell made of two parts or valves, like an oyster or clam
Bivalve
What is it called when an insect completely changes it's chemistry and shape during git's life cycle?
Metamorphasis
What happens when crustaceans out-grow their cell?
They molt the shell and grow a new one
How would a squid or octopus move?
Jet propulsion
Where do parasitic worms live?
In plants and/or animals
An immature insect that resembles an adult, but has no wings
How many parts make up an insets body
Three
What is the difference between Hermit crabs and large crabs in the ocean?
Hermit crabs do not grow their own shells
What are considered to be the most intelligent Mollusks?
Octopus and squid
What are the four main groups of worms?
Ribbon Worms, Flatworms, Segmented Worms, and Roundworms
What is the term for the umbrella-shaped, swimming stage in the life cycle of a jellyfish?
Medusa
What are the parts called that make up an insects body?
Head, Thorax, Abdomen
How many legs do crustaceans have?
Ten
What is the most important things to mollusks in terms of their survival? Think about their anatomy and what the one thing they absolutely need
Moisture
Where do you find worms? The land, water, or air?
Land and water