Invertebrate Groups
description
Transcript of Invertebrate Groups
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Invertebrate Groups
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1. Sponges
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Sponges
• Sponges pump water through the hole at the top and filter tiny (microscopic) particles of food that are floating in the water
• You can blend them up and they will re-assemble as they were before!
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2. Coelenterates
http://www.youtube.com/watch?v=Dh7azi3fFQY
Many have stinging tentacles-includes jellyfish and coral
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Brain Coral
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3. Flatworms
• FLAT animals. Not what we consider ‘WORMS’
• http://www.youtube.com/watch?v=gOs650f6c5M
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4. Nematodes
THIS GROUP includes worms (roundworms, pinworms).
Some are parasitic (What is a parasite!?)
Don’t believe me!?http://www.youtube.com/watch?v=gOs650f6c5M
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5. Molluscs
• Soft-bodied animals that are often protected by an outer shell
e.g. Snails, Oysters, Clams, Squid and Octopus
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SMART OCTOPUS
CONE SNAIL
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6. Annelids
• This group includes roundworms (the one you see often) and leeches!
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The Largest Roundworm...
• http://www.youtube.com/watch?v=gOs650f6c5M
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7. Arthropods
• This is a HUGE group that includes 80% of the earth’s animals!!
• All have jointed legs
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8. Echinoderms
• This group includes STARFISH, urchins, sea cucumbers and sea horses!
EVER SEEN A SEA STAR EAT!?
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Task
• Write a paragraph highlighting your knowledge of organisms using ALL of the words below...
ORGANISM, INVERTEBRATE, CLASSIFY, LIVING, VERTEBRATE, NON-LIVING, CHARACTERISTICS, EXAMPLE, COLD-BLOODED, WATER, LAND, BIRD, ARTHROPOD, HUMAN