Ecosystems-Easy
Ecosystems-Normal
Ecosystems-Average
Ecosystems-Hard
Ecosystems-Extreme
100

What is the difference between biotic and abiotic factors?

Biotic factors are living things, while abiotic factors are nonliving things like water and sunlight.

100

How do plants help an ecosystem survive?

Plants make food through photosynthesis and provide oxygen and shelter for other organisms.

100

What are the main parts of an ecosystem?

The main parts are living things (plants, animals, fungi, bacteria) and nonliving things (water, air, sunlight, soil).

100

What is an ecosystem?

An ecosystem is a community of living things and nonliving things interacting together in one area

100

what is the first process to the ecosystem?

the sun


200

Why are decomposers important in an ecosystem?

decomposers break down dead organisms and recycle nutrients back into the soil.

200

What is a food chain?

A food chain shows how energy moves from one organism to another through eating.

200

What is a food web?

A food web is a network of connected food chains in an ecosystem.

200

How do animals depend on plants in an ecosystem?

Animals depend on plants for food, oxygen, and shelter.

200

What role do predators play in ecosystems?

Predators help control prey populations and keep ecosystems balanced.

300

What happens when one species disappears from an ecosystem?

It can disrupt the food web and affect other species that depend on it.

300

How does pollution affect ecosystems?

Pollution can harm plants, animals, water, air, and soil, making ecosystems unhealthy.

300

What is biodiversity?

Biodiversity is the variety of living organisms in an ecosystem.

300

Why is biodiversity important for healthy ecosystems?

Greater biodiversity helps ecosystems stay strong and recover from changes or disasters.

300

How do humans change ecosystems?

Humans change ecosystems through pollution, deforestation, building cities, and farming.

400

What are examples of terrestrial ecosystems?

Forests, deserts, grasslands, and tundras are terrestrial ecosystems.

400

What are examples of aquatic ecosystems?

Oceans, rivers, lakes, ponds, and wetlands are aquatic ecosystems.

400

How does climate affect ecosystems?

Climate affects temperature and rainfall, which determine what organisms can live there.

400

What is the difference between a habitat and a niche

A habitat is where an organism lives, while a niche is the role it plays in the ecosystem.

400

How do ecosystems recycle nutrients?

Decomposers break down dead matter and return nutrients to the environment.

500

What is symbiosis in an ecosystem?

Symbiosis is a close relationship between two different species.

500

What are the three types of symbiotic relationships?

Mutualism, commensalism, and parasitism.

500

What are the three types of symbiotic relationships?

Mutualism, commensalism, and parasitism.

500

How do invasive species harm ecosystems?

They can outcompete native species and disrupt the natural balance

500

Why are rainforests important ecosystems?

Rainforests provide habitats, produce oxygen, and support huge biodiversity.

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