ECOSYSTEMS

What is an ecosystem?

• A group of only animals.

• A place with only plants.

• A community of living organisms and physical components interacting.

• A type of climate.

Which one is a physical component of an ecosystem?

• Plants

• Animals

• Microorganisms

• Air

Which one is a living organism of an ecosystem?

• Soil

• Climate

• Bacteria

• Sunlight

What is biodiversity?

• The variety of living organisms in an ecosystem.
  

• The number of trees in a forest.

• The amount of water in a river.

• The temperature of the planet.

The name os the place where an animal or plant normally lives is their...

• House

• Habitat

• Ecosystem

• Family

Which factors can affect biodiversity?

• The number of plants in an area.

• Invasive species, human activity, and global warming.

• Predators like lions and tigers.

• The colour of the soil.

An example of human activity affecting biodiversity.

• Deforestation and pollution.

• Protecting endangered animals.

• Planting more trees.

• Taking care of the planet.

When a species becomes extinct...

• It is something good.

• It becomes a new species.

• It moves to a new habitat.

• It no longer exists.

What do producers do in a food chain?

• Eat other animals.

• Make their own food through photosynthesis.

• Decompose dead matter.

• Eat plants.

Which of these is a primary consumer?

• A plant.

• A mushroom.

• A lion.

• A zebra.