Classifying Organisms and Domains Quiz

What is the main purpose of the Linnaean classification system?

• To organize organisms by habitat

• To classify organisms by shared traits

• To rank organisms by size

• To list organisms alphabetically

Which characteristic is used to classify organisms in the Linnaean system?

• Color

• Cell structure

• Size

• Age

How does a dichotomous key help classify organisms?

• It provides a random list of organisms

• It helps identify organisms by answering questions

• It groups organisms based on their diet

• It ranks organisms by their speed

Which is an example of a Domain in classification?

• Animalia

• Plantae

• Eukarya

• Fungi

Describe the process of using a dichotomous key to identify an unknown organism.

• List all possible organisms and choose one randomly

• Follow a series of paired statements to narrow down the identity

• Measure the organism and compare it to a size chart

• Observe the organism's behavior and make a guess

Why might scientists reclassify an organism?

• Changes in habitat

• New genetic evidence

• Popularity in studies

• Size and weight

What is the study of classification?

• taxonomy

• biology

• botany

• microbiology

Fill-in-the-blank:
Domain, Kingdom, Phylum, ____________

• Order

• Family

• Class

• Species

Of the following classifications, the smallest or least inclusive is

• order

• genus

• species

• class