Exploring Ecosystems and Biomes

Which of the following is an example of a freshwater ecosystem?

• Desert

• Pond

• Tundra

• Grassland

What is the main source of energy for most food chains in ecosystems?

• Wind

• Sunlight

• Soil

• Water

Which biome is characterized by very low temperatures and permafrost?

• Rainforest

• Tundra

• Savanna

• Desert

Which term describes the variety of living organisms in a particular habitat?

• Biodiversity

• Photosynthesis

• Erosion

• Migration

Which of the following is a producer in a food chain?

• Lion

• Grass

• Eagle

• Snake

Which human activity is most likely to cause deforestation in a rainforest biome?

• Planting trees

• Logging

• Recycling

• Fishing

Which of the following best describes a desert biome?

• High rainfall, dense trees

• Low rainfall, sparse vegetation

• Cold temperatures, ice-covered

• Flooded with water year-round

Which of the following is a direct effect of climate on a biome?

• The color of animal fur

• The types of plants that can grow

• The shape of rocks

• The length of rivers

Which ecosystem is most likely to have the highest biodiversity?

• Arctic tundra

• Tropical rainforest

• Desert

• Grassland

Which of the following is an example of a marine ecosystem?

• Lake

• Ocean

• Forest

• Prairie