Food Chains and Webs
Plants and Photosynthesis
Decomposers
Ecosystem Balance
Life in a Dome
100

What do all food chains begin with?

What is the Sun?

100

What do plants take in from the air to make food?

What is carbon dioxide?

100

What do decomposers do in an ecosystem?

What is break down dead organisms?

100

What happens if one part of the ecosystem disappears?

What is it can affect the whole system?

100

What is the big challenge of living in a dome on Mars?

What is growing food and having oxygen?

200

What is an animal that eats only plants?

What is an herbivore?

200

What gas do plants release when making food?

What is oxygen?

200

Name one decomposer.

What is a worm, mushroom, or bacteria?

200

Why don’t you have to clean a pond like a fish tank?

What is the pond has decomposers and a balanced system?

200

Why is it important to understand food chains for space life?

What is to make sure energy flows to all living things?

300

What do you call a living thing that eats other living things?

What is a consumer?

300

What do plants use to make their own food?

What is sunlight, water, and carbon dioxide?

300

What would happen if decomposers disappeared?

What is dead material would pile up and plants wouldn’t get nutrients?

300

What keeps a natural ecosystem clean and healthy?

What is producers, consumers, and decomposers working together?

300

What must an enclosed ecosystem have to grow food?

What is producers, decomposers, water, air, and light?

400

Why might a hawk live in a city?

What is there’s more food, like pigeons and rats?

400

Where do plants get most of their mass as they grow?

What is the air (carbon dioxide)?

400

What do worms get from eating decaying matter?

What is nutrients?

400

What do we call an ecosystem that can maintain itself over time?

What is a balanced ecosystem?

400

What kind of model could help us test a space dome idea?

What is a closed terrarium?

500

What is the difference between a food chain and a food web?

What is a food chain is one path of energy, a food web shows many?

500

What is the process called where plants make food using light?

What is photosynthesis?

500

What important job do decomposers do for plants?

What is return nutrients to the soil?

500

Why are humans part of the ecosystem?


What is they change the environment and use resources?

500

Why might we use Earth ecosystems to design ones for Mars?

What is we learn what living things need to survive?

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