Environmental Science Quiz

What is an ecosystem?

• A system with only abiotic components

• A system where biotic and abiotic components interact

• A system of only living organisms

• A system with no interaction between its components

Which of the following is NOT a component of an ecosystem?

• Producers

• Consumers

• Decomposers

• Weather patterns

Which of the following ecosystems is characterized by long, harsh winters and extremely short summers?

• Tundra

• Taiga

• Desert

• Tropical Rainforest

Which biome has hot summers, cold winters, and soil rich in organic material?

• Desert

• Tundra

• Temperate Deciduous Forest

• Marine Ecosystem

Which type of ecosystem includes rivers and streams?

• Lentic

• Lotic

• Marine

• Desert

What is the main characteristic of a desert ecosystem?

• High precipitation

• Low water vapor and minimal vegetation

• Dense vegetation

• Frequent rainfall

Which of the following describes a Marine ecosystem?

• Found in regions with high altitude

• Characterized by fresh standing water

• An ecosystem with high salt content in water

• Dominated by grasses

What are producers in a trophic structure?

• Organisms that produce energy from consuming others

• Organisms that make their own food through photosynthesis

• Organisms that feed on dead matter

• None of the above

Which of the following represents the first trophic level in a food chain?

• Herbivores

• Carnivores

• Producers

• Omnivores

In a grazing food chain, what is the primary consumer?

• Carnivores

• Herbivores

• Omnivores

• Decomposers