Taxonomy is the branch of biology that deals

Taxonomy is the branch of biology that deals with the naming and 1. _______ of life forms. There are 7 different levels of classification.

“King Philip Coughed On Fred and he Got Sick” Kingdom, Phylum, Class, Order, Family, Genus, 2. ____ Less in Common - - - More in Common Each kingdom is made up of many phyla; each phylum is made up of many 3. _____, each class is made up of many 4. _______, etc. If two different organisms are within the same 5. _______, it means both organisms are considered close ‘relatives’ and share similar 6. _____ or 7. _____.

Carl Linnaeus was a Swedish naturalist who is considered the “Father of Taxonomy”. He lived in the 1700’s. He developed a system of 8. _____ and 9. _____ organisms that we still use today. 10. __________– using two terms to indicate the genus and species of an organism. Example: Streptococcus pyogenes. Genus species

Kingdom, Phylum, Class, Order, Family, Genus, Species – This is the 11. ____ group of living things. They can breed with each other to produce fertile 12. ____. The scientific name for an organism uses the ‘genus’ and ‘species’. Here are two examples: 1. Homo sapiens = Human being Genus species 2. Escherichia coli = E. coli bacteria 13. ______ 14. _______ Note that the first letter of the ‘genus’ is capitalized while the first letter of the species is a lowercase letter.

Terms & Definitions 1. Sessile – This organism is permanently attached and not freely 15. _______ within its environment. Example – trees, sea anemones, sponges, sea fans. 2. Radial Symmetry – Two similar 16. ____ are created by passing through a central point in the organism. Example – Sea stars.

Terms & Definitions 3. Bilateral Symmetry – A single, imaginary line that can divide the body into two distinct right and 17. _______ sides. Example – Humans. 4. Warm-blooded – An organism that has a controlled body 18. ________ that remains the same no matter what the temperature is in their surroundings. Example – birds, mammals. Mammals have hair, give birth to 19. ______young and produce 20_____. Example: Humans, kangaroos.

Terms & Definitions 5. Cold-blooded – An organism whose body temperature changes in response to its 21. _______. Example – Fish, amphibians, reptiles. 6. Exoskeleton – An organism whose skeleton is on the 22. _____ of its body. It is a hard, waterproof substance that provides protection from 23. ______ or drying out. Examples – spiders, beetles (the arthropod phylum).

Terms & Definitions 7. Vertebrates – Animals that have a spine or 24. _____. 8. Invertebrates – Animals that 25. ____ have a spine or a backbone.

Classification Embryos of fish, salamander, tortoise, chick and human can look 26. _______ at first (top row) with features that are common to their phylum. But as they grow, they become recognizable as belonging to a different class, order, genus and species.

Classification The picture at right shows embryos that look similar. But as these organisms grow, their physical 27. _______ and structure will change to reflect their genus and 28. _____.