Categories
Domains
Kingdoms
Classifying Life
Kingdom and Domain Jobs
100
What are the 8 levels of classification in order from largest to smallest?
domain, kingdom, phylum, class, order, family, genus, species
100
How many different domains are there?
3
100
How many different kingdoms are there?
6
100

What is the science of naming and classifying living organisms called?

Taxonomy

100

In the Domain Bacteria, many species live in your digestive system. What important job do they perform?

Breaking down food
200
What is the broadest (largest) level of classification?
domain
200
Name the 3 domains.
Archae, Bacteria, Eukarya
200
Name the 6 Kingdoms.
Animalia, Plantae, Fungi, Protista, Arachaebacteria, and Eubacteria
200

What is the term for a group of organisms that can mate and produce fertile offspring?

Species

200

Organisms in the Domain Archaea can survive extreme environments like hot springs and salty lakes. What ecosystem role do many of them play?

Breaking down chemicals to cycle nutrients?

300
What is the most specific (smallest) level of classification?
species
300
What domain are humans and other animals in?
Eukarya
300
What is the only kingdom where all members have cells that lack cell walls completely?
animal
300

What two words make up a scientific name? (What is the first word and what is the second word?)

genus and species

300

Members of the Fungi Kingdom play a major role in ecosystems. What is their job?

Decomposing matter


400
What is the category that contains many similar phyla?
kingdom
400
What domain contains very extreme bacteria, whose names often end in -phile?
Archaea
400
Name 2 differences between plants and fungi.
plants are autotrophs, fungi are heterotrophs; plant cell walls have cellulose, fungi cell walls have chitin
400

What do scientists mainly use to group organisms into taxa: differences in size, similarities and differences in traits, or where they live?

similarities and differences in traits

400

The Plant Kingdom supports almost all life on Earth. What major job do plants perform?

Producing oxygen through photosynthesis

500
What is the category that contains many similar families?
order
500
What domain contains bacteria that we may encounter, such as E. coli?
Bacteria
500
Name 2 differences between the plant and animal kingdom.
plants are autotrophs, animals are heterotrophs; plants have a cell wall, animals do not
500

Why do scientists use a taxonomic system instead of common names?

Because it creates a universal system that avoids confusion and shows relationships between organisms.

500

Organisms in the Animal Kingdom cannot make their own food. What is their role in energy flow?

They are consumers that move energy through food webs

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