Kingdoms of Life

Cows are multicellular, eukaryotic organisms who cannot create their own food and therefore must eat other organisms. (They are heterotrophs.) Cows are classified into this kingdom.

• animal
• plant
• protist
• eubacteria

Orchids are multicellular organisms with complex cells. They convert the sun's energy into food. (They are autotrophs.) Orchids are classified into this kingdom.

• protist
• archaebacteria
• plant
• fungi

Organisms in this kingdom are unique because they obtain energy by breaking down dead and decaying wastes (decomposers).

• plant
• archaebacteria
• protist
• fungi

Archaebacteria and Eubacteria are very similar. What is the one difference that separates these two kingdoms?

• archaebacteria are prokaryotes, whereas eubacteria are eukaryotes
• archaebacteria live in extreme harsh environments, whereas eubacteria are common everyday bacteria
• archaebacteria are multicellular, whereas eubacteria are unicellular
• archaebacteria are heterotrophs, whereas eubacteria are autotrophs

Protists are organisms that are unique because like bacteria they are _____ but unlike bacteria they are made of _____.

• unicellular; complex cells
• unicellular; simple cells
• multicellular; complex cells
• multicellular; simple cells