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Invertebrates

Across
Mollusks, such as clams and oysters that have two connected shells.
The tiny holes in the body wall of a sponge.
Arthropods that can have 20-300 legs.
Animals that are killed and eaten by other animals.
A word that means "pore-bearer".
Echinoderms vary in shape, but they all have ______________ symmetry.
Animals without backbones
Coral _______ provide shelter for many marine animals such as sponges and sea anemones.
A group of arthropods that have three body segments: head, thorax, and abdomen
A process that some insects go through that goes through egg, larva, caterpillar and then adult insect
A group of vertebrates that have hair or fur produce milk for their young.
Animals with backbones
Some _______ urchins can live for over 200 years.
The ___________ earthworm can grow to be 108 inches long.
An arthropod with pincers and venom to sting then eat prey.
Animals with stinging tentacles such as sea anemones, corals and jellyfish
A column of bones that provides the main support for a vertebrate's body; the backbone, or vertebral column
A hard outer layer or covering on many kinds of arthropods
What fish breathe with
A group of vertebrates that are cold-blooded and have dry, scaly skin.
A group of invertebrates that include sponges
Down
A sea star, or starfish, has the ability to ______ an arm that it has lost.
Sea ___________ look like pincushions and have a round body covered with long, sharp spikes.
A sea ______________ has a symbiotic relationship with the clown fish.
Animals that kill and eat other animals.
A very hairy arthropod that some people like to keep as a pet. This invertebrate has eight legs.
Body parts that earthworms have 150 of
A group of vertebrates that have feathers and are warm-blooded.
One of two body parts that arachnids have.
A group of vertebrates that include frogs, toads and amphibians.
A group of invertebrates that include insects, spiders, lobsters, and millipedes
A group of invertebrates that breathe with gills and have scales on their bodies.
Oysters and ________ are mollusks. They have a single shell covering their body and they swim by clapping the two sides of their shell together.
A group of arthropods that include lobsters, crabs, crayfish and shrimp.
A group of arthropods that include millipedes and centipedes
A mollusk that can be as long as 55 feet and has eyeballs as big as basketballs
___________ and centipedes are arthropods that look like worms, but have many legs for walking.
The sea anemone's _____ does not harm the clown fish. The fish stays safe among the anemone's stinging tentacles.
A group of invertebrates that are earthworms
An arthropod that is a great pollinator.
Many invertebrates hatch from these.