ecosystem Quiz 6th

Producers make their food during the process of photosynthesis. What is the primary source of energy used by producers?

• Chemical energy from water
• Thermal energy from the sun
• Light energy from the sun
• Chemical energy from carbon dioxide

Mushrooms are an example of a decomposer. What do decomposers do?

• Break down dead matter into nutrients that are recycled back into the soil
• Use energy from the sun to make their own food
• Eat plants and animals to get energy
• Provide energy to consumers when food is scarce

Which of the following consumers is a carnivore?

• Rabbit
• Deer
• lion
• mouse

what role does the mouse have?

• Producer
• Primary consumer
• Secondary consumer
• Decomposer

In this food web, which of these describes a food chain?

• Green plant → mouse → Falcon
• Kite → snake → mouse
• Green plant → rabbit → lion
• Lion → jackal → rabbit

Which of the following best describes the difference between producers and decomposers?

• Decomposers eat other organisms to obtain energy while producers make their own food.
• Decomposers break down dead material to obtain energy while producers make their own food.
• Decomposers make their own food while producers break down dead material to obtain energy.
• Decomposers break down dead material to obtain energy while producers eat to obtain energy.

In Africa, the oxpecker is a bird that eats bugs and other parasites from the skin of a rhino. This helps protect the rhino’s skin and keeps the bird fed. Which of the following describes the type of relationship that exists between the oxpecker and the rhino?

• Commensalism
• Competition
• Mutualism
• Parasitism

Which is the best description of ecology?

• The study of living organisms and how they interact with other living organisms
• The study of living organisms and how they interact with the weather
• The study of living organisms and how they interact with bodies of water
• The study of living organisms and how they interact with each other and their environment

Which of the following can change ecosystems? (Select all that apply.)

• Introduced species
• Pollution
• Hurricanes
• Changing seasons
• Hawk eating a mouse

Which of the following is an herbivore?

• Oak tree
• Mushroom
• Tiger
• Deer