Dichotomous Keys

A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?

• Juniper
• Pine
• Spruce
• Fir

An illustration and a dichotomous key are given. What is the correct  NAME for this organism?

• Class Insecta
• Order Amblygygi
• Order Araneae
• Order Scorpiones

What QUESTION do we always start with when using dichotomous keys?

• 1
• 2
• 3
• 4

What is the name of bird W?

• Certhidea
• Geospiza
• Camarhynchus
• Platyspiza

What is the name of bird Z?

• Certhidea
• Geospiza
• Camarhynchus
• Platyspiza

Tags

NGSS.MS-LS4-2

Using this dichotomous key, what is the name of the circled fish.

• band-tail puffer
• spotted goat fish
• peacock flounder
• trumpet fish

WHY do we use a dichotomous key?

• to find a common ancestor
• to show the evolution of organisms
• to show relationships between organisms
• to find the NAME 

What is it called to USE to find the NAME of the organism?

• dichotomous key
• binomial nmenclature
• scientific name
• binomial key

What is a dichotomous key used for in science?

• To organize biomes
• Name Plants and Animals 
• Identify bacteria only
• None of these

Using this dichotomous key, identify the name of the circled Fish, J.

• peacock flounder
• band-tail puffer
• trumpet fish
• spotted goat fish