AIM What is a Dichotomous Key VOCABULARY Classification

AIM: What is a Dichotomous Key? VOCABULARY: Classification Dichotomous Key

AIM: What is a Dichotomous Key?

AIM: What is a Dichotomous Key? Objectives: 1. You will be able to explain why classification systems are important. 2. You will be able to demonstrate your understanding with a dichotomous key.

AIM: What is a Dichotomous Key? Question: Why do we classify things (like at the shoe store or the grocery store)? To make things easier!

AIM: What is a Dichotomous Key? Question: Why do scientists classify things? TO MAKE THINGS EASIER

AIM: What is a Dichotomous Key? Is a system used by scientists to CLASSIFY unknown organisms by examining the characteristics of the organism and then determining to which group that unknown organism should be placed based upon those characteristics.

AIM: What is a Dichotomous Key? It is also utilized as a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. "Dichotomous" means "divided into two parts

AIM: What is a Dichotomous Key?

AIM: What is a Dichotomous Key? 1. Divides a larger group in smaller groups 2. Typically, it may separate objects into groups that “have it” and those that “don’t have it”

AIM: What is a Dichotomous Key?

AIM: What is a Dichotomous Key? Dichotomous Key of Transportation Vehicles with wheels:

AIM: What is a Dichotomous Key? Dichotomous Key of Transportation Vehicles with wheels: Unicycle, skates, a/p, bike, train, car, bus Canoe, boat, sailboat,

AIM: What is a Dichotomous Key? Dichotomous Key of Transportation Vehicles with wheels: Unicycle, skates, ap, bike, train, car, bus Canoe, boat, sailboat, Wheels made of rubber/plastic:

AIM: What is a Dichotomous Key? Dichotomous Key of Transportation Vehicles with wheels: Unicycle, skates, ap, bike, train, car, bus Canoe, boat, sailboat, Wheels made of rubber/plastic: Unicycle, skates, ap bike, car, bus train

AIM: What is a Dichotomous Key? Dichotomous Key of Transportation Vehicles with wheels: Unicycle, skates, ap bike, train, car, bus Canoe, boat, sailboat, Wheels made of rubber/plastic: Unicycle, skates, ap bike, car, bus train Carries over 10 people:

AIM: What is a Dichotomous Key? Dichotomous Key of Transportation Vehicles with wheels: Unicycle, skates, bike, train, car, bus Canoe, boat, sailboat, Wheels made of rubber/plastic: Unicycle, skates, bike, car, bus train Carries over 10 people: Bus, ap Unicycle, skates bike, car

AIM: What is a Dichotomous Key?

AIM: What is a Dichotomous Key? Dichotomous Key of Animals with 4 legs

AIM: What is a Dichotomous Key? Dichotomous Key of Animals with 4 legs: Horse, gorilla, cow Ostrich, worm, shark, man, rooster

AIM: What is a Dichotomous Key? Dichotomous Key of Animals with 4 legs : Horse, gorilla, cow Animals with tail: Ostrich, worm, shark, man, rooster

AIM: What is a Dichotomous Key? Dichotomous Key of Animals with 4 legs: Horse, gorilla, cow Ostrich, worm, shark, man, rooster Animals with tail: Horse, cow gorilla

AIM: What is a Dichotomous Key? Dichotomous Key of Animals with 4 legs: Horse, gorilla, cow Ostrich, worm, shark, man, rooster Animals with a tail: Horse, cow Animals with utters: gorilla

AIM: What is a Dichotomous Key? Dichotomous Key of Animals with 4 legs: Horse, gorilla, cow Ostrich, worm, shark, man, rooster Animals with a tail: Horse, cow gorilla Animals with utters: cow horse

AIM: What is a Dichotomous Key? Tips for Classifying • Carefully observe objects to “notice” similarities and differences • Place objects into either one group or another – not both groups • Examine each group you create – to see if it can be further subdivided

AIM: What is a Dichotomous Key? Class Activity