Investigating Ecosystem

What term refers to a community of living organisms interacting with each other and their physical environment?

• Habitat

• Biosphere

• Ecosystem

• Population

What is the primary function of producers in an ecosystem?

• Converting organic matter into energy

• Decomposing dead organisms

• Capturing energy from sunlight and converting it into organic compounds

• Preying on other organisms for food

Which of the following is an example of a primary consumer in a terrestrial ecosystem?

• Hawk

• Snake

• Rabbit

• Owl

What is the primary source of energy for most ecosystems?

• Wind

• Soil

• Sunlight

• Water

How do decomposers contribute to nutrient cycling in an ecosystem? 

• By converting sunlight into energy

• By breaking down organic matter and returning nutrients to the soil

• By preying on other organisms for food

• By capturing energy from other organisms

How does energy flow through a food web?

• From secondary consumers to primary consumers

• From producers to decomposers

• From primary consumers to producers

• From producers to higher trophic levels

Which trophic level occupies the base of the food web?

• Primary consumers

• Producers

• Tertiary consumers

• Decomposers

Which of the following is a key factor contributing to the loss of biodiversity in ecosystems?

• Sustainable land management

• Habitat conservation efforts

• Climate change

• Restoration of degraded ecosystems

What does sustainability aim to achieve in relation to ecosystems?

• Preservation of existing ecosystems without any human intervention

• Restoration of ecosystems to their original state before human influence

• Maintaining the balance of ecosystems to meet the needs of present and future generations

• Exploitation of natural resources for short-term economic gain

Which of the following is an example of a sustainable practice to protect ecosystems?

• Clear-cutting forests for timber without replanting

• Using pesticides to control insect populations in agricultural fields

• Implementing recycling programs to reduce waste and conserve resources

• Discharging untreated industrial waste into rivers and lakes