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How does a dichotomous key help to identify a plant?
Classification keys are tools that provide a means to correctly identify different organisms, based on observable traits. A dichotomous key provides users with a series of statements with two choices that will eventually lead to the correct identification of the organism.
How do I create a dichotomous key in Word?
- 1 Open Microsoft Word. Open Microsoft Word and create a blank document.
- 2 Type. Type any introductory items that your paper needs, including a title and an introduction paragraph.
- 3 Open the Format menu.
- 4 Stop position.
- 5 Click the number.
- 6 Select the.
- 7 Type your first dichotomous key rule.
How do you make a simple dichotomous key?
How to Make a Dichotomous Key
- Step 1: List down the characteristics.
- Step 2: Organize the characteristics in order.
- Step 3: Divide the specimens.
- Step 4: Divide the specimen even further.
- Step 5: Draw a dichotomous key diagram.
- Step 6: Test it out.
How is the dichotomous key used?
Dichotomous keys are used to identify a variety of things including insects, plants, animals and rocks. A key gives pairs of “either-or” choices that direct the user to the next pair of choices (also known as a couplet) or to the point of identification.
How to make a dichotomous key for a plant?
To make a dichotomous key you will choose physical characteristics that can be used to divide a collection into two parts. Possible physical characteristics to use include plant size, plant shape, leaf shape, stem type, color, and presence of seeds, fruits or flowers.
Where does the word dichotomous come from?
The word dichotomous comes from two Greek words that mean divide in two parts. To make a dichotomous key you will choose physical characteristics that can be used to divide a collection into two parts.
How to identify a plant by its leaves?
Record the chosen characteristic and the groups formed. For example, this group of corn, hosta, oak tree and dandelion could be divided by leaf color: A. The leaves are solid green. See #2. B. The leaves have a white margin. Your plant is a hosta.
What is the sample key for a dandelion?
Your plant is a dandelion. The sample key is fairly short and simple. The more items your beginning collection has, the longer your key will be. Have a friend try out your completed key to see that it leads users to the correct choices and identification.