Tidepool Animals. Sea stars, sea urchins and other echinoderms have tube feet that act like suction...
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Transcript of Tidepool Animals. Sea stars, sea urchins and other echinoderms have tube feet that act like suction...
Sea stars, sea urchins and
other echinoderms
have tube feet that act
like suction cups.
Why?
Sea stars have tough skin
and sea urchins have
pointy spikes.
Why?
Sea anemones belong to a group of animals called cnidaria
A common characteristic is that they have a ring of stinging tentacles to stun prey that swims by.
Can you think of any other animals that live in the ocean that have stinging tentacles?
How does the spiny lobster protect itself if doesn’t have large claws?
Lobsters and other arthropods have an exoskeleton. What’s that?