Biology Quiz: Exam Review

What are producers also known as?

• Detritivores

• Consumers

• Autotrophs

• Heterotrophs

Which organisms get their energy by eating other living or once-living resources?

• Decomposers

• Producers

• Detritivores

• Consumers

What is the primary source of energy for most producers on Earth?

• Sunlight

• Wind

• Moonlight

• Rain

What is the process by which an organism forms carbohydrates using chemicals as an energy source?

• Fermentation

• Respiration

• Chemosynthesis

• Photosynthesis

Which trophic level are herbivores placed in a food chain?

• Primary consumers

• Secondary consumers

• Producers

• Tertiary consumers

What type of consumer primarily eats one specific organism or feeds on a very small variety of organisms?

• Generalist

• Detritivore

• Omnivore

• Specialist

What is the circular pathway of water on Earth known as?

• Oxygen Cycle

• Carbon Cycle

• Hydrologic Cycle

• Nitrogen Cycle

Which element is the building block of life and is essential to the structure of all organisms?

• Nitrogen

• Oxygen

• Carbon

• Hydrogen

What is the process in which certain types of bacteria convert gaseous nitrogen into ammonia?

• Photosynthesis

• Chemosynthesis

• Respiration

• Nitrogen Fixation

Where can you find chemosynthetic organisms?

• Rainforests

• Mountains

• Deserts

• Deep sea vents