The vocabulary word meaning the group of animals that have soft, tube-like bodies with a single opening surrounded by arm-like.
What is Cnidarian?
100
This is a fancy name for the group of invertebrates that have tiny tube feet and body parts arranged around a central area.
What is echinoderm?
100
This group of invertebrates have soft bodies, a hard shell, a rough tongue, and a muscular foot.
What is a mollusk?
100
This group of worms live in damp places and inside humans and other animals. They have rounded bodies.
What are roundworms?
200
These invertebrates have tentacles that may look like the petals of a flower. They move from place to place by gliding or tumbling across the ocean floor.
What are sea anemones?
200
This echinoderm has five arms and no head! It's hard spiny covering helps to give it protection.
What is a starfish?
200
This kind of mollusk has two shells joined together by a hinge.
What is a bivalve?
200
The group of invertebrates with jointed legs and hard exoskeletons that protect the animals. There are nearly 1 million known.
What is Arthropod?
300
These cnidarians are much smaller than sea anemones, but still use tentacles to trap their food.
What are hydra?
300
This echinoderm belongs to the same group as a starfish. Its body is covered with long spines, and it moves around on tiny tube feet.
What is a sea urchin?
300
This bivalve is good for eating in chowder.
What is a clam?
300
This is the largest subgroup of arthropods, and includes the only invertebrates that can fly.
What is insects?
400
These cnidarians look like plants, but are animals. They have soft, tube-like bodies and tentacles. When they die, they turn hard like rock.
What are coral?
400
Worms.
This group of worms have heads and tails, and flattened bodies. An example is a tapeworm.
What are flatworms?
400
These invertebrates belong to the mollusk group, but their hard shells are small and inside their bodies. Name one.
What is a squid and an octopus?
400
These arthropods have eight legs, plus jaws and fangs!
What are spiders?
400
This special group includes lobsters, crabs, and shrimp. They have very thick exoskeletons.
What is crustacean?
500
This cnidarian drifts through the water, catching shrimp, fish, and other animals in its tentacles. It also has quite a sting.
What is a jellyfish?
500
Worms.
This group includes leaches and earthworms. Their bodies are divided into different sections.`
What are segmented worms?
500
Another bivalve besides a clam.
What is an oyster or a mussel?
500
These are not insects. They can have many, many legs. One group runs away from enemies, the others roll up their bodies when they sense danger.
What is a centipede/millipede?
500
These invertebrates have bodies full of holes and skeletons made of spiky fibers. Water flows through holes and small pieces of food are trapped.