Exploring Dichotomous Keys for 7th Grade Science

What is the primary purpose of a dichotomous key?

• To classify organisms based on their habitat

• To identify unknown objects or organisms

• To measure the size of rocks

• To record the color of plants

Which of the following is an example of a guide that uses a dichotomous key?

• A history textbook

• A field guide to birds

• A cookbook

• A novel

What does the word 'dichotomous' mean in the context of a dichotomous key?

• Separated into four parts

• Combined into one part

• Divided into two parts

• Divided into three parts

How do dichotomous keys typically present choices?

• As multiple-choice questions

• As a single question with multiple answers

• As two contrasting statements

• As a list of possible answers

In a dichotomous key, what is the correct way to write the genus and species of an organism?

• Both genus and species in lowercase

• Both genus and species in uppercase

• Genus in lowercase and species capitalized

• Genus capitalized and species in lowercase

What feature was used to identify the smiley face with a pirate eye patch?

• Teeth visible

• Has a pirate eye patch

• Mouth curved down

• Eyes symmetrical

What is the next step after completing the 'I do' part of the dichotomous key activity?

• Start a new unit

• Complete the 'we do' practice as a group

• Submit the assignment

• Take a quiz

What are students required to do in the 'we do' practice activity?

• Identify various types of plants

• Identify different types of birds

• Identify 20 alien creatures called 'parmesans'

• Identify different types of rocks

What is the final individual activity in the dichotomous key unit?

• Identify different types of trees

• Identify various types of mammals

• Identify various types of fish

• Identify different types of sharks

What is the extra credit question about?

• The names of the 'parmesans'

• The definition of a dichotomous key

• The song played at the beginning of the video

• The types of smiley faces