MCQ Subject: Ecology

What is the primary cause of coral bleaching, a major threat to coral reefs worldwide?

Which ecosystem plays a crucial role in the global water cycle by producing approximately 40% of the world’s oxygen and absorbing significant CO2, yet covers only about 1% of the Earth’s surface?

Which of the following ecosystem services is MOST characteristic of mangrove forests globally?

Which symbiotic relationship enhances plant water uptake efficiency during drought by extending root reach?