What is an ecosystem?

• A group of only animals.

• A community of living things and natural resources.

• Only plants in a garden.

• A big city with many buildings.

Which of these is NOT a natural resource mentioned as part of an ecosystem's environment?

• Water

• Air

• Wind

• Buildings

How big can ecosystems be?

• Only very small, like a pond.

• Only very big, like a desert.

• They can be very big or very small.

• They are always the same size.

What do the flora (plants) and fauna (animals) in an ecosystem do to live well in their surroundings?

• They change the weather.

• They adapt to the characteristics and resources.

• They move to a different ecosystem.

• They stop growing.

What are the two main parts that make up an ecosystem?

• Mountains and rivers.

• Biotope and Biocenosis.

• Animals and plants.

• Soil and water.

Which of these is a non-living part of a biotope?

• Microorganisms

• Plants

• Soil

• Animals

Which of these is a living part of a biocenosis?

• Wind

• Temperature

• Water

• Animals

What are the two main types of ecosystems?

• Big and small.

• Hot and cold.

• Natural and Artificial.

• Land and water.

What makes a natural ecosystem different from an artificial one?

• It has more animals.

• It is created by humans.

• It develops without human help.

• It is always found in the ocean.

What can happen if a natural environment is destroyed or its resources change a lot?

• The animals will grow bigger.

• The ecosystem will become stronger.

• The living things in it could be in danger.

• New plants will grow faster.