Ecosystems

1. What is an ecosystem?

• A place where only animals live.

• A place with only plants and water

• A special type of plant

• A group of living things and their environment interacting together

Answer explanation

An ecosystem is made of living things (plants, animals, and microorganisms) and non-living things (water, air, soil) that interact.

2.What are the two main parts of an ecosystem?

• Air and water

• Plants and animals

• Living and non-living things

• Sun and rain

Answer explanation

Ecosystems have living things like plants and animals, and non-living things like water and rocks.

3. Which of these is a terrestrial ecosystem?

• Ocean
  

• Forest

• Lake

• River

Answer explanation

A forest is a land ecosystem because it is on land, with trees, animals, and other living things.

4. Which of these is an aquatic ecosystem?

• Desert

• Jungle

• River

• Mountain

Answer explanation

A river is an aquatic ecosystem because it is a body of water where animals and plants live.

5. What are living things in an ecosystem?

• Plants, animals, and microorganisms

• Water, soil, and temperature

• Rocks, air, and sunlight

Answer explanation

Living things grow, move, and reproduce. Plants and animals are examples of living things.

6. What are non-living things in an ecosystem?

• Plants, animals, and fungi

• Rocks, water, sunlight, and temperature

• Trees, fish, and bacteria

Answer explanation

Non-living things do not grow or reproduce. Rocks, water, and sunlight are examples of non-living things in nature.

7. What type of ecosystem is the ocean?

• Terrestrial

• Aquatic

• Urban

Answer explanation

The ocean is an aquatic ecosystem because it is a large body of water with many living things.

8. Why are ecosystems important?

• They help animals but not humans

• They provide food, water, and shelter for living things

• They are only important for plants

• They do not help the planet

Answer explanation

Ecosystems give food, water, and shelter to all living things, including people.

9. What does "interdependence" mean in an ecosystem?

• Living things do not affect each other

• Living things need each other to survive

• Animals do not need plants.

• Only plants depend on animals.

Answer explanation

In an ecosystem, animals, plants, and other living things depend on each other to survive.

10. Which of these actions helps protect ecosystems?

• Throwing trash in nature

• Cutting down all trees

• Recycling and reducing pollution

• Polluting rivers and lakes

Answer explanation

Recycling reduces pollution, and planting trees helps clean the air and protect animals.