
Dichotomous Keys
Flashcard
•
Biology
•
9th - 12th Grade
•
Practice Problem
•
Hard
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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 used to identify organisms by answering a series of questions that lead the user to the correct name of a given item.
2.
FLASHCARD QUESTION
Front
What is the purpose of using a dichotomous key?
Back
The purpose of using a dichotomous key is to systematically identify and classify organisms based on their characteristics.
3.
FLASHCARD QUESTION
Front
What characteristic distinguishes arachnids from insects?
Back
The presence of antennae; insects have antennae while arachnids do not.
4.
FLASHCARD QUESTION
Front
What are the main body segments of an insect?
Back
Insects typically have three main body segments: the head, thorax, and abdomen.
5.
FLASHCARD QUESTION
Front
What is the significance of leaf characteristics in plant identification?
Back
Leaf characteristics, such as shape and edge curling, can provide crucial information for identifying plant species using a dichotomous key.
6.
FLASHCARD QUESTION
Front
What are the two pairs of wings found in Lepidoptera?
Back
Lepidoptera, commonly known as butterflies and moths, have two pairs of scaly wings.
7.
FLASHCARD QUESTION
Front
What is the defining feature of the order Coleoptera?
Back
Coleoptera, or beetles, are characterized by having hardened forewings called elytra.
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