1. Groups KINGDOM (largest) PHYLUM CLASS ORDER FAMILY GENUS
SPECIES (smallest)

3. Specific
Small
Broad
Large
Taxon

4. Example Human Cougar Tiger Pintail Duck Kingdom Animalia Phylum
Chordata
Class
Mammalia
Aves
Order
Primate
Carnivora
Anseriformes
Family
Homindae
Felidae
Anatidae
Genus
Homo
Felis
Panthera
Anas
Species
sapiens
concolor
tigris
acuta

5. Cladogram

6. What is a cladogram?
A cladogram is a diagram used in cladistics which shows relations among organisms.

7. Dichotomous Keys
A dichotomous key is a written set of choices that leads to the name of an organism.
Scientists use these to identify unknown organisms.

9. Dichotomous Key for Unknown Animals
1. A. Animal is mainly water-dwelling Go to statement 2 B. Animal is mainly land-dwelling Go to statement A. Animal has a shell Great-Logger Turtle B. Animal has no shell Manatee 3. A. Main color of the animal is gray Go to statement 4 B. Main color of the animal is not gray Go to statement A. Animal has a long, trunk-like nose Elephant B. Animal has a short nose Go to statement A. Animal has long ears Rabbit B. Animal has short ears Koala Bear 6. A. The main color is black Go to statement 7 B. The main color is white Polar Bear 7. A. Animal has a pointed face Black Bear B. Animal has a flat face Chimpanzee

11. Dichotomous Key for Unknown Animals
1. A. Animal is mainly water-dwelling Go to statement 2 B. Animal is mainly land-dwelling Go to statement A. Animal has a shell Great-Logger Turtle B. Animal has no shell Manatee 3. A. Main color of the animal is gray Go to statement 4 B. Main color of the animal is not gray Go to statement A. Animal has a long, trunk-like nose Elephant B. Animal has a short nose Go to statement A. Animal has long ears Rabbit B. Animal has short ears Koala Bear 6. A. The main color is black Go to statement 7 B. The main color is white Polar Bear 7. A. Animal has a pointed face Black Bear B. Animal has a flat face Chimpanzee

12. Classification: Using a Dichotomous Key
Hummingbird
Classification: Using a Dichotomous Key
Bat
Giraffe
Frog
Beaver
Grizzly Bear
Moose
Robin
Mallard Duck
Bison
Sheep
kangaroo
Rabbit
Owl
Polar Bear
Seal
Raccoon
Lynx
Koala Bear
Snake
Zebra

13. Dichotomous Key for Unknown Animals
1. A. Animal is mainly water-dwelling Go to statement 2 B. Animal is mainly land-dwelling Go to statement A. Animal has a shell Great-Logger Turtle B. Animal has no shell Manatee 3. A. Main color of the animal is gray Go to statement 4 B. Main color of the animal is not gray Go to statement A. Animal has a long, trunk-like nose Elephant B. Animal has a short nose Go to statement A. Animal has long ears Rabbit B. Animal has short ears Koala Bear 6. A. The main color is black Go to statement 7 B. The main color is white Polar Bear 7. A. Animal has a pointed face Black Bear B. Animal has a flat face Chimpanzee