What is the term for the living components of an ecosystem?

• Abiotic factors

• Biotic factors

• Autotrophs

• Heterotrophs

What is the ultimate source of energy for most ecosystems?

• Wind

• Water

• Sunlight

• Soil

What is the role of decomposers in an ecosystem?

• Produce energy

• Break down dead organisms

• Hunt for food

• Provide shelter

The term for organisms that feed on plants is:

• Herbivores

• Carnivores

• Omnivores

• Decomposers

The process by which green plants make their own food is called:

• Respiration

• Photosynthesis

• Transpiration

• Digestion

Which of these is not a characteristic of a healthy ecosystem?

• High biodiversity

• Balance between predators and prey

• Absence of decomposers

• Nutrient cycling

Which of the following organisms is a primary producer?

• Lion

• Grass

• Rabbit

• Eagle

Which term describes a group of the same species living in a given area?

• Community

• Ecosystem

• Population

• Habitat

Which of the following is an example of an abiotic factor?

• Plants

• Animals

• Temperature

• Fungi

What term describes the role and position a species has in its environment?

• Habitat

• Niche

• Population

• Community