Animal Classification
Terms
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- Invertebrate
- Animal without a backbone
- Vertebrate
- Animal with a backbone
- Kingdom
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Largest grouping in the organization of living things.
There are five kingdoms. - Phylum
- The second breakdown in classification of animals. There are 9 phylums for animals.
- Porifera
- Simplest animals. Have many pores or tiny openings. Live attached to objects on the ocean floor.
- Pores
- Tiny openings or holes
- filter feeder
- Feeding method used by some animals in which microscopic organisms are "filtered" through the animal.
- collar cells
- They line the central cavity of the porifera.They remove food and oxygen from the water and release waste products
- flagellum
- Whip-like structures found on collar cells of prifera used to keep water moving throughout the animal.
- spicules
- Form the simple skeleton of sponges