What are ecosystems?

What is an ecosystem?

• A single species living in an area

• A community of plants, animals, and their environment interacting together

• A type of animal habitat

• A collection of non-living things

Can ecosystems vary in size?

• Yes, from a single tree to as large as Yellowstone National Park

• No, they are all large areas like Yellowstone

• No, they are all small like a single tree

• Yes, but only aquatic ecosystems vary in size

What role do trees play in a forest ecosystem?

• They only provide beauty

• They provide shelter but no food

• They convert sunlight into food and provide shelter

• They are not important

How do animals contribute to the growth of trees in a forest?

• They do not contribute

• By singing to them

• By spreading seeds and creating nutritious soil

• By providing sunlight

What are the two main types of ecosystems?

• Northern and Southern

• Hot and cold

• Land-based and water-based

• Mountainous and flat

What is the significance of aquatic ecosystems?

• They are less important than terrestrial ecosystems

• They do not support life

• They provide habitats for water-based organisms

• They are the only ecosystems that matter

Why is biodiversity important?

• It helps ecosystems recover from disruptions

• It makes ecosystems look more beautiful

• It ensures a variety of food for humans

• It increases the number of animals only

What happens when an ecosystem becomes unbalanced?

• It has no effect on plants and animals

• Animals find more food

• It becomes easier for plants to grow

• It's harder for animals to find food and for plants to get nutrients

How do scientists learn about ecosystems?

• By reading books only

• Through observations in natural areas

• By guessing based on pictures

• By watching documentaries only

What can you observe to learn about ecosystems?

• Buildings and roads

• Plants and animals in their natural habitat

• Only plants

• Only animals