Ecosystem

  Which part of the carbon cycle occurs when plants convert sunlight and C02 into oxygen and sugar?

• combustion

• decay

• respiration

• photosynthesis

Producers in the food chain, use –  

• water to produce food from carbon dioxide in the air and water

• light energy from the sun to produce food from carbon dioxide in the air and water

• parasites to produce food.

• light energy from the sun to produce food from carbon dioxide in the air and water

An abiotic part of an ecosystem; this gas is required by all living things.

• oxygen
• ecology
• biotic factors
• jellybeans

How would you label the robin in the food chain below?

Oak tree → Caterpillar → Robin → Hawk

• producer

• secondary consumer

• primary consumer

• herbivore

The non living parts of an ecosystem

• abiotic factors
• biotic factors
• oxygen
• soil

Which of the following is NOT an example of a decomposer?

• termites

• worms

• fungi

• algae

Which pair shows the predator first and the prey second?

• shrimp and shark

• wolf and rabbit

• fly and frog

• mouse and cat

An abiotic part of an ecosystem; required by plants to perform photosynthesis.

• water
• soil
• sunlight
• oxygen

Which in the food chain is the decomposer?

• worm

• crab

• salmon

• shrimp

Which of the following is NOT an example of an abiotic factor?

• sun

• snow

• temperature

• microorganisms