Ecosystems reading

What is the primary role of producers in a food chain?

• To create their own food through photosynthesis or chemosynthesis

• To consume primary consumers

• To decompose dead organisms

• To act as apex predators

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

• High biodiversity

• Low rainfall

• Rich in vegetation

• Extremely cold conditions

What percentage of energy is typically passed on to the next trophic level in a food chain?

• 10%

• 50%

• 25%

• 75%

Which of the following human activities has significantly impacted ecosystems and biomes?

• Deforestation

• Photosynthesis

• Herbivory

• Chemosynthesis

What is the role of decomposers in an ecosystem?

• To break down dead organisms and return nutrients to the soil

• To consume primary consumers

• To act as apex predators

• To create their own food through photosynthesis

Write down a new word you learnt from this passage.