Echinoderms
The brittle star, starfish, sea lilies, sea cucumber and sea urchins are all examples of...
What are echinoderms?
slugs, oysters, octopuses, clams, cuttlefish, nautiluses, and snails are all examples of this type of invertebrate
What are mollusks?
Worms with bumpy bodies in segments that can grow up to 1 yard long.
What is a segmented worm?
Jellyfish, sea anemones, and coral are all examples of this type of invertebrate
What is a cnidarian?
When an animal attached themselves to rocks and basically stay in one place most of their lives.
What is sessile?
knobs of leg-like structures on the bodies of the echinoderms
What are tube feet?
Mollusks wrapped in two shells and have a mantle which is a layer of soft tissue that wraps around the organs. Clams, oysters, mussels and scallops are all examples of this...
What are bivalves?
invertebrates with soft, long bodies, three germ layers and few or no appendages (arms or legs)
This cnidarian is a free swimmers, pulsating their body to move. The largest is almost 6 feet wide. Their tentacles are used to sting and capture food.
What is a jellyfish?
Long ago, sponges were not considered animals but they were considered this...
What is a plant?
True/ False: Some echinoderms breathe through their feet.
What is true?
Mollusks that live on land. They have a visceral mass, which is a foot right below their bodies. Slugs and snails are both examples of these.
What are gastropods?
Smooth, round worms that are usually less than an inch long
What is a round worm?
This creature is a sessile animals with a hydrostatic skeleton that supports their bodies. They do not have a hard coating exterior. They can sting their predators.
What is a sea anemone?
when an animal, like a sponge, has both male and female reproductive organs, producing both sperm and egg
What is a hermaphrodite?
a feature of the echinoderm, it is a series of canals and tubes used for circulating nutrients, moving and capturing food.
What is a water vascular system?
These have feet that are divided into sucker-bearing arms, which are used to catch food. They are able to change color to camouflage and to communicate. Examples are the cuttlefish and the octopus.
What are cephalopods?
worms with flat bodies and most are parasites, like tapeworms
What is a flatworm?
polyp and medusa are both examples of this...
What are forms that a cnidarian might take?
What is intercellular digestion?
Humans use echinoderms for food and for _____
What is fertilizer?
Some mollusks have a cluster of ______ (nerve cells together) that are organized to form a brain
What is ganglia?
True/False: All three types of worms can be parasites.
What is true?
If animals don’t have a brain, then they have this instead that helps them to function
What is a nerve net?
Sponges are unusual invertebrates because they do not have a germ layer or a ______ system, digestive system or circulatory system.
What is a nervous system?