Ecology Benchmark Quiz

Which of the following is a biotic factor?

• Sunlight

• Rock

• Bacteria

• Water

What term describes an organism’s role in its environment?

• Habitat

• Population

• Niche

• Community

Which level includes all ecosystems on Earth?

• Biome

• Ecosystem

• Biosphere

• Community

Which type of organism makes its own food using sunlight or chemicals?

• Herbivore

• Heterotroph

• Autotroph

• Carnivore

What type of symbiotic relationship benefits one species and harms the other?

• Mutualism

• Commensalism

• Parasitism

• Competition

Which trophic level has the most energy?

• Secondary Consumer

• Producer

• Tertiary Consumer

• Primary Consumer

What is the term for an organism that eats both plants and animals?

• Herbivore

• Omnivore

• Carnivore

• Detritivore

A group of the same species living in the same area is called a:

• Community

• Ecosystem

• Population

• Biome

What is the purpose of a food web?

• To show only predator-prey relationships

• To show how energy flows through one species

• To show interconnecting food chains

• To show how plants grow

Which of the following is a limiting factor?

• Wind

• Temperature

• Rock layers

• None of the above