Download Major Animal Phyla PP Notes

Name: ____________________________
Classification Notes
ANIMALS
• Animals are very ______________ in appearance.
• What are 5 important characteristics that all animals share?
1. ________________________________________________________________________
2. ________________________________________________________________________
3. ________________________________________________________________________
4. ________________________________________________________________________
5. ________________________________________________________________________
• There are 2 major groups of animals:
1. ______________: animals that do not have a backbone
2. ______________: animals that have a backbone
• Note: The groups invertebrates and vertebrates are NOT ______________ classification groups.
We formally classify invertebrates and vertebrates into ______________.
INVERTEBRATES
• More than ______________ of animals are invertebrates. In fact, there are ______________
phyla of invertebrates and only ______________ phylum of vertebrates.
• Invertebrates are ______________ organisms compared to vertebrates.
• What are 8 major phyla of invertebrates?
1. ____________________________
2. ____________________________
3. ____________________________
4. ____________________________
5. ____________________________
6. ____________________________
7. ____________________________
8. ____________________________
• There are two invertebrates not found in these phyla. These invertebrates – known as the
______________ and ______________ – belong to phylum ______________.
VERTEBRATES
• Vertebrates are the ______________ common group of animals on Earth
• All vertebrates belong to one phylum: ______________.
• Animals belonging to phylum Chordata are known as ______________. Thus, all vertebrates are
______________.
• All chordates share characteristics that are present during at least part of the animal’s
______________. The most important characteristic is the presence of a ______________
______________ ______________ cord.
Classification
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© Stephanie Elkowitz