Ecosystems Quiz

What is an ecosystem?

• A small backyard or pond

• All living and non-living things and how they interact with each other

• A large prairie, desert, or rainforest

• Freshwater or saltwater ecosystems

What are abiotic factors in an ecosystem?

• Living organisms like animals and plants

• Water, minerals, sunlight, air, climate, and soil

• Producers and consumers

• Decomposers like fungi and bacteria

Why is water important in an ecosystem?

• It provides minerals for plants to grow

• It helps animals produce energy

• It is needed for photosynthesis and respiration

• It decomposes dead plants and animals

What do plants and algae contribute to the ecosystem?

• They decompose dead plants and animals

• They produce oxygen and food

• They consume other animals

• They enrich the soil with minerals

What is the role of animals in the ecosystem?

• They produce oxygen and food

• They decompose dead plants and animals

• They consume plants and other animals

• They enrich the soil with minerals

What is the role of fungi and bacteria in the ecosystem?

• They produce oxygen and food

• They decompose dead plants and animals

• They consume plants and other animals

• They enrich the soil with minerals

What is a population in an ecosystem?

• All living and non-living things and how they interact with each other

• A small backyard or pond

• All the organisms of a species living in the same area

• Animals, plants, fungi, protists, and bacteria

What is a community in an ecosystem?

• All living and non-living things and how they interact with each other

• A small backyard or pond

• All the organisms of a species living in the same area

• Animals, plants, fungi, protists, and bacteria

What do scientists study in an ecosystem's community?

• How living and nonliving organisms work together to provide survival

• How an ecosystem stays healthy and continues to grow

• The interactions of different populations

• All of the above

What is essential for the ecosystem to remain healthy?

• Interaction of living and non-living organisms

• Large size and diverse species

• Abiotic factors like water, minerals, sunlight, air, climate, and soil

• Biotic factors like animals, plants, fungi, protists, and bacteria