Unit 4 Test Retake

Which Kingdom contains decomposers that break down dead plants and animals for nutrients?

• Plantae

• Fungi

• Animalia

• Protista

Organisms in _____________________ recycle elements such as carbon, nitrogen, and sulfur through their various habitats and carry out many steps in the nitrogen cycle.

• Kingdom Archaebacteria

• Kingdom Protista

• Kingdom Plantae

• Kingdom Animalia

Organisms in kingdom ______________ play a central role in our environment's nutrient cycle, maintaining the health of the soils that grow our food.

• Protista

• Animalia

• Archaebacteria

• Plantae

Which kingdom contains organisms that perform pollination services within their ecosystems?

• Kingdom Animalia

• Kingdom Fungi

• Kingdom Protista

• Kingdom Eubacteria

Scientists classify living organisms into categories based on their characteristics. What is the broadest classification category?

• species

• domain

• phylum

• kingdom

Which kingdom of organisms uses photosynthesis to produce its own food?

• Animalia

• Plantae

• Fungi

• None of the above

Jerry is trying to classify cells by their physical characteristics. He discovers a multicellular organism containing cells that have a nucleus and a cell wall as well as the ability to conduct photosynthesis. Into which of the three domains would this organism most likely fit?

• Archaea

• Bacteria

• Eukarya

• Viral

Plant and animal cells have many similarities and differences. They have enough similarities that they are classified into the same domain. What characteristic do they share that classifies them both into the Eukarya domain?

• They both form multicellular creatures.

• They both have a cell wall.

• They both contain nuclei in their cells.

• They both produce their own energy.

Biologist are continually looking at the variety of life on Earth and trying to determine the best way to group it based on different characteristics. Recently, biologists have divided all life into three main groups, called domains. What are the three domains?

• plants, animals, and bacteria

• prokaryotic, eukaryotic, and viral

• archaea, bacteria, eukarya

• biotic, abiotic, viral

All living things are divided into one of three —

• kingdoms

• classes

• domains

• phyla