Science 14 Ecology Chapter 12 Review

Which of the following is a living (biotic) component of an ecosystem?

• Rocks

• Air

• Animals

• Water

In a simple food chain, which organism is usually at the bottom?

• Herbivore

• Carnivore

• Producer

• Decomposer

What process do plants use to make their own food using sunlight?

• Digestion

• Photosynthesis

• Respiration

• Fermentation

Which of the following is a byproduct of cellular respiration?

• Oxygen

• Glucose

• Carbon dioxide

• Water

What is the role of decomposers in an ecosystem?

• Produce food

• Break down dead material

• Provide shelter

• Capture sunlight

Which cycle describes the movement of water through the environment?

• Carbon cycle

• Oxygen cycle

• Water cycle

• Nitrogen cycle

What process removes carbon dioxide from the atmosphere?

• Combustion

• Photosynthesis

• Respiration

• Erosion

What does an ecological pyramid represent?

• The water cycle

• The flow of energy in an ecosystem

• The carbon cycle

• The oxygen cycle

Which of the following is a non-living (abiotic) factor that can affect an ecosystem?

• Predators

• Temperature

• Plants

• Animals

Which process releases oxygen into the atmosphere?

• Photosynthesis

• Cellular respiration

• Decomposition

• Combustion