What is the primary purpose of a dichotomous key in biology?

Mastering Dichotomous Keys for Organism Identification in Biology

Interactive Video
•
Biology, Science, Other
•
6th - 8th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To measure the size of different species
To identify species by answering a series of questions
To classify organisms based on their habitat
To track the migration patterns of birds
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example provided, what is the first step in using the dichotomous key?
Look at the habitat of the organism
Determine if the organism has yellow feathers
Identify the color of the organism's eyes
Check the size of the organism
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When identifying organism A, what characteristic is checked after determining the absence of yellow feathers?
The type of feet
The length of the tail
The color of the beak
The shape of the wings
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final identification of organism A based on the key?
Bubbler
Hornbill
Kingfisher
Weaver
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For organism B, what is the key feature that leads to its identification as a Kingfisher?
Yellow feathers
Curved beak
Straight beak
Gray beak
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which organism is identified as a Weaver?
Organism C
Organism B
Organism A
Organism D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What characteristic confirms that organism D is a Bubbler?
Gray beak
Red beak
Yellow feathers
Curved beak
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