Dichotomous Key

Dichotomous Keys

OL3: Explore how the dynamic nature of biological classification reflects advances in scientific understanding of relationships among organisms.

Start

What is a dichotomous key?

A dichotomous key is a a structured set of mutually exclusive characteristics that helps to identify the name of living organisms.

Next

These keys will start with broad characteristics and lead to increasingly specific traits.

VS

Has wings

Does not have wings

Next

By making the correct choices, you will be able to identify the binomial nomenclature name of the organism.

Canis lupus

Next

Interactive Dichotomous Key

• The following will be an example of an interactive dichotomous key

• There will be 10 different animals that you will learn the scientific names of

• Select an organism then pick the option that best represents the animal

• At the end of the key will be two instructional videos to help further your understanding

Next

Interactive Dichotomous Key

• The following will be an example of an interactive dichotomous key

• There will be 10 different animals that you will learn the scientific names of

• Select an organism then pick the option that best represents the animal

• At the end of the key will be two instructional videos to help further your understanding

Next

Click on each photo to get a closer look at the animal

Instructions

Start

Click on the picture with the appropriate characteristic

VS

Lives in aquatic ecosystem

Lives in terrestrial ecosystem

VS

Has a fin

Does not have a fin

VS

Has a blowhole

Has gills

VS

Hard exoskeleton

Soft body

VS

Has claws

Has no arms

VS

Has wings

Doesn't have wings

VS

Has feathers

Has antenna

VS

Climbs trees

Stays on the ground

VS

Has tusks

Has antlers

Danaus plexippus

Finish

Restart

Macaca mulatta

Finish

Restart

Amphiprion ocellaris

Finish

Restart

Chironex fleckeri

Finish

Restart

Alces alces

Finish

Restart

Loxodonta africana

Finish

Restart

Homarus americanus

Finish

Restart

Pavo cristatus

Finish

Restart

Tursiops truncatus

Finish

Restart

Crassostrea gigas

Finish

Restart

Start The key

Back to photos

Start The key

Back to photos

Start The key

Back to photos

Start The key

Back to photos

Start The key

Back to photos

Start The key

Back to photos

Start The key

Back to photos

Start The key

Back to photos

Start The key

Back to photos

Start The key

Back to photos

Videos for further understanding

Next

References

• "5 -Yongala Seasnake 1" by Geoff & Dianne Rhodes is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/?ref=openverse.
• "Antennae #insect #antennae #bug #macro #iphone6s #summer #nature #iowa #midwest #midwestphotographer #319illgrammers" by CR Artist is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/2.0/?ref=openverse.
• "Black Bear cub climbing tree: Ursus americanus" by LassenNPS is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/?ref=openverse.
• "Butterfly" by Sunny M5 is licensed under CC BY-NC 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc/2.0/?ref=openverse.
• "Clown fish" by DeFerrol is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nd-nc/2.0/jp/?ref=openverse.
• "Common Dolphin in flight" by ejwwest is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nd-nc/2.0/jp/?ref=openverse.
• "Cows" by macieklew is licensed under CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/?ref=openverse.
• "Earthworm in mud" by StarWatcher307 is licensed under CC BY-NC-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-sa/2.0/?ref=openverse.
• "Feathers" by @Doug88888 is licensed under CC BY-NC-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-sa/2.0/?ref=openverse.
• "Grey Nurse Shark" by richard ling is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nd-nc/2.0/jp/?ref=openverse
• "Hippo and crocodile" by Stig Nygaard is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/?ref=openverse.
• "Jellyfish" by szeke is licensed under CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/?ref=openverse.
• "Marrowstone Oyster by Chefs-Resources" by Theages is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/?ref=openverse.
• "Monkey" by MarkGrundland is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/?ref=openverse.
• "Nordic Lobsters" by eekim is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/?ref=openverse.
• "Shiras Moose - Grand Teton National Park" by Al_HikesAZ is licensed under CC BY-NC 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc/2.0/?ref=openverse.
• "Texas Spiny Lizard" by TexasEagle is licensed under CC BY-NC 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc/2.0/?ref=openverse.
• "Tiger shark" by WIlly Volk is licensed under CC BY-NC-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-sa/2.0/?ref=openverse.
• "Toronto: Peacock at High Park" by The City of Toronto is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/?ref=openverse.
• "Two Bulls Clash Antlers" by USFWS Mountain Prairie is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/?ref=openverse.
• "Whale breathing" by John_Brennan is licensed under CC BY-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nd/2.0/?ref=openverse.
• "Elephant Ears." by brittanyhock is licensed under CC BY-NC 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc/2.0/?ref=openverse.

Restart