Invertabrates Flashcards
What is a Invertebrate
A animal with no backbone or spinal cord.
What is a cnidarian?
Jellyfish, coral, sea anemones are all cnidarians. They have nerves and muscle but no brain or heart. They are carnivores and will eat anything from small plankton to animals larger than themselves. Cnidarians have radial symmetry.
What is an anemone?
Anemones are found in living throughout the sea along reefs, and even other animals. They prey on fish, except for clown fish. Clown fish and anemones have a mutualistic relationship. The anatomy shares its home and food. The clown fish lures in fish and cleans the anemone.

What is radial symmetry?
They can be cut into multiple different angles and still be the same size.
What does bilateral mean?
If you cut them, they will always be in two symmetrical parts
What are jellyfish?
Jellyfish can be clear or have vibrant colors. Some are even bioluminescence, which means they make their own light. If a jellyfish is cut into two cuts or more, it can regenerate, which means it can regrow into two different jellyfish. 
What is an immortal jellyfish?
They’re tiny and transparent. They are
In oceans all over world. They can be killed, but they won’t die from age. They usually weigh up to 4.5 mg. When they are threatened , they turned back into a polyp.
What are the stages of an
Immortal jellyfish
Planula,  polyps than jellyfish
