Biomes and Energy Flow

Which of the following is a characteristic of a desert biome?

• High rainfall

• Dense vegetation

• Low precipitation

• Cold temperatures

What is the primary source of energy for most ecosystems?

• Wind

• Sunlight

• Water

• Soil

Which biome is characterised by having four distinct seasons?

• Tropical rainforest

• Tundra

• Savanna

• Temperate forest

In a food web, which of the following is a primary consumer?

• rabbit

• grass

• fox

• eagle

What is the term for the process by which energy is transferred from one trophic level to the next?

• Photosynthesis

• Respiration

• Energy flow

• Decomposition

Which of the following biomes is known for its permafrost?

• desert

• tundra

• grassland

• tropical rainforest

What percentage of energy is typically transferred from one trophic level to the next in an ecosystem?

• 1%

• 10%

• 25%

• 50%

Which of the following is a secondary consumer in a food web?

• Frog

• Grasshopper

• Deer

• Grass

Which biome is characterised by high biodiversity and dense vegetation (biomass)?

• desert

• tropical rainforest

• tundra

• savanna

What is a trophic cascade?

• A type of waterfall

• A series of changes in an ecosystem caused by the addition or removal of a top predator

• The flow of energy through an ecosystem

• 
  The process of photosynthesis