ECO 8: Reading Review

What is the process by which plants convert carbon dioxide and water into sugars and oxygen?

• Photosynthesis

• Cellular respiration

• Digestion

• Metabolism

What is the primary source of energy for nearly every ecosystem on Earth?

• Plants

• Animals

• Sun

• Water

What happens to the majority of the sun's energy that is absorbed by plants?

• Stored in the plant

• Converted into heat energy

• Transferred to animals

• Used for photosynthesis

What is the main purpose of cellular respiration in both plants and animals?

• To break down sugars and release energy

• To convert sunlight into usable energy

• To build body structures like leaves and roots

• To produce oxygen for respiration

Which organisms in the ecosystem are consumers?

• Plants

• Owls

• Crows

• Voles

What is the role of owls in the ecosystem?

• Predator

• Prey

• Producer

• Decomposer

Where do plants get the matter they use to produce their own food?

• From other organisms

• From the sun

• From the air

• From the soil

What happens to the energy in an ecosystem when it reaches the top level of the food web?

• It is stored in plants

• It is converted into heat energy

• It is transferred to the sun

• It is used for photosynthesis

What is the purpose of the special structures called chloroplasts in plants?

• To break down sugars

• To store energy

• To convert sunlight into usable energy

• To produce oxygen for respiration

What is the primary source of food for voles?

• Other animals

• Plants

• Sunlight

• Water