History of the Kingdom System 1753 Animalia & Plantae 1866 Animalia; Plantae; Protista 1938 Monera 1959 Fungi 1977 Bacteria Archaea
The most recent classification system divides life into three domains: Bacteria; Archaea; Eukaryotes
Cladograms or Phylogenetic Trees Show Evolutionary Relationships.
This tree made by comparing DNA sequences This tree made by comparing DNA sequences. Distances between branches are proportional to the number of differences in DNA sequences
What two organisms have hair?
What two organisms are more closely related: Shark and frog crocodile & bird?
This only took 30 years… and this isn’t HIV-2
Want to earn some $$$$$?
Money Taxonomic Key Is it made of metal? Yes Yes ................................ Go to 2 No .............................. Go to 5 Is it a silver type color? ............................... Go to 3 Penny Is the outer edge smooth? ............................ Nickel Go to 4 Is there an Eagle on the back? Quarter ............................. Dime Do the corners have a number 1 in them? $1 Bill $2 Bill
Building a Dichotomous Key
Living OR Nonliving?
DEAL WITH ONE SIDE AT A TIME 1a. Organism is living…………… 1b. Organism is nonliving……. Go to 2. 2a. 2b.
Divide them in two again!
Divide them in two again! Metallic? Nonmetallic?
1a. Organism is living…………… 1b. Organism is nonliving……. Go to 2. 2a 1a. Organism is living…………… 1b. Organism is nonliving……. Go to 2. 2a. Object is metallic……….. Go to 3. 2b. Object is nonmetallic…… Geode (a rock) 3a. 3b.
Divide them in two again! Wheels or No Wheels?
Now Finish Here 1a. Organism is living…………… 1b. Organism is nonliving……. Go to 2. 2a. Object is metallic……….. Go to 3. 2b. Object is nonmetallic…… Geode (a rock) 3a. Object has wheels…….. Bike 3b. Object does not have wheels….. Soda Can