Dichotomous Key Practice
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a dichotomous key?
Back
A dichotomous key is a tool that allows the identification of organisms through a series of choices that lead the user to the correct name of a given item.
2.
FLASHCARD QUESTION
Front
What are the two options provided at each branch of a dichotomous key called?
Back
Each branch of a dichotomous key provides two contrasting options, often referred to as 'couplets'.
3.
FLASHCARD QUESTION
Front
What is the primary purpose of using a dichotomous key?
Back
The primary purpose of using a dichotomous key is to identify organisms based on their physical characteristics.
4.
FLASHCARD QUESTION
Front
What type of features do we examine when using a dichotomous key?
Back
When using a dichotomous key, we examine physical features such as leaf shape, flower color, and other observable traits.
Tags
NGSS.MS-LS4-2
5.
FLASHCARD QUESTION
Front
How does a dichotomous key help in biological classification?
Back
A dichotomous key helps in biological classification by providing a systematic method for identifying and categorizing organisms based on shared characteristics.
6.
FLASHCARD QUESTION
Front
What is an example of a physical feature used in a dichotomous key?
Back
An example of a physical feature used in a dichotomous key is leaf shape, such as whether the leaves are broad or needle-like.
7.
FLASHCARD QUESTION
Front
Why is it important for each branch of a dichotomous key to have exactly two options?
Back
It is important for each branch of a dichotomous key to have exactly two options to simplify the identification process and guide the user step-by-step.
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