Ecology Quiz

What are biotic factors in an ecosystem?

• Sunlight, temperature, pH of soil

• Plants, animals, bacteria, fungi

• Soil, water, air

• Biomass, food chain, biodiversity

Which of the following best describes an abiotic factor?

• Bacteria and fungi

• Sunlight and temperature

• Tadpoles and fish

• Trees and shrubs

What is a biome?

• A network of interconnected food chains

• The mass of living organisms in an area

• Large areas dominated by a specific type of vegetation

• The total of non-biological components of an ecosystem

What does a food chain show?

• The biodiversity in an ecosystem

• The flow of energy and materials from one organism to the next

• The mass of living organisms

• The types of non-living factors in an ecosystem

Why is maintaining biodiversity considered important?

• It increases the number of food chains

• It ensures a sustainable use of the environment

• It simplifies the food web

• It reduces the number of species