High School

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**Project: Classifying Fruit**

A key is a sorting device that lists choices between certain observed characteristics. A dichotomous key is the simplest means of identification. The word "dichotomy" means "cut or split into two parts." Hence, a dichotomous key is a two-part or two-choice key. It asks whether a particular organism has one trait or another—either yellow or brown, either large or small, etc. For this project, you will create a dichotomous key to classify eight different fruits and determine if it works.

**Procedure:**

1. Review a previous lesson or conduct internet research to understand how a dichotomous key works.
2. Choose five different identifying characteristics to classify fruit.
3. Select eight different fruits, either ones you have on hand or by researching them.
4. Once you have created your key, give it to a friend or someone in your household to test if your key works.

**Assignment Requirements:**

- Type up your dichotomous key in the designated Question #1 box.
- Answer the following questions:
1. Why did you choose the five identifying characteristics you used in your dichotomous key?
2. Was the person you gave your key to able to accurately identify the fruit? Explain why or why not.
3. What two other fruits could your dichotomous key work for?
4. What other category of items could you create a dichotomous key for?

Answer :

My Dichotomous Key for Identifying Fruits:

  • 1a. Has a rough exterior texture, brown in color - Pineapple
  • 1b. Has a smooth exterior texture, yellow in color - Go to 2
  • 2a. Has a curved shape, about the size of a human fist - Banana
  • 2b. Has a round shape, about the size of a ping pong ball - Lemon

I chose the five identifying characteristics based on the external physical features of the fruits that are easily distinguishable, even for someone who is not familiar with them. The rough or smooth texture of the exterior, color, and size are some of the most noticeable characteristics that can help to differentiate fruits.

The person who I gave the key to was able to accurately identify the fruit because the key was straightforward and easy to follow. The characteristics were clear and concise, making it simple to determine which fruit matched the description.

What is the keys about?

The dichotomous key could work for oranges and grapefruits as they both have a similar rough texture on the exterior, but differ in color and size.

Therefore, Another category of items that a dichotomous key could be created for is identifying different species of trees in a particular area. The key could include characteristics such as leaf shape, bark texture, and type of fruit or seed produced.

Learn more about Dichotomous Key from

https://brainly.com/question/16333970

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