watch the videos to answer the following questions:
http://www.youtube.com/watch?v=Ea30bieeZMk&feature=related
http://www.youtube.com/watch?v=20pT7EnQHrQ
1. How can you tell if an animal is invertebrate or vertebrate?
2. How many groups of animals are? Name them and write an example, try not to repeat.
3. What is the difference between vertebrates and invertebrates?
have a nice weeked!!!
=D
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