Vertebrates vs

Invertebrates

Background

• Invertebrates- do not have a backbone. 95 % of animal species and divided into 9 different phyla

• Vertebrates- Have a backbone. 5% of all animal species. 1 phylum (Chordata).

• Pg 411 in text

Phylum Chordata

• Aquatic• Fish• Amphibia

• Terrestrial• Reptilia• Aves (birds)• Mammalia

Fish

Amphibians

Reptiles

Birds

Mammals

On the Computers

• What phylum do Earthworms belong to?

• What are some other examples of animals in this phylum? Approx how many species in this phylum?

• What are some characteristics of animals in this phylum?

• http://www.mhhe.com/biosci/genbio/virtual_labs/BL_14/BL_14.html

• http://www.naturewatch.ca/english/wormwatch/virtual_worm/index.html

• http://www.youtube.com/watch?v=A2BY0hRUA9E

• 1. What phylum do Earthworms belong to?

• 2. What are some other examples of animals in this phylum? Approx how many species in this phylum?

• 3. What are some characteristics of animals in this phylum?

• http://www.mhhe.com/biosci/genbio/virtual_labs/BL_14/BL_14.html

• Click on Lab Manual and read through the pages.

• Drag each body part on the earthworm for the internal and external anatomy.

• Draw a labeled diagram of both in your notebook.