Earth's Ecosystems Quiz

Stratosphere is part of Earth's atmosphere, not the ecosystem.

Sunlight is essential for photosynthesis, the basis of most food chains.

Terrestrial ecosystems are those found on land, including forests, grasslands, etc.

Producers use photosynthesis to convert sunlight into energy for the ecosystem.

A food web illustrates the complex network of feeding relationships in an ecosystem.

Fungi decompose organic matter, recycling nutrients in ecosystems.

Decomposition breaks down organic matter, releasing nutrients back into the soil.

Plants are living organisms that directly influence the ecosystem.

Predation is the act of one organism consuming another for food.

Transpiration is the movement of water vapor from plants to the atmosphere.

Tropical rainforests host the greatest variety of species.

Keystone species play a critical role in maintaining ecosystem structure and function.

Ecological succession describes the gradual, sequential changes in ecosystems.

Deserts are not wetlands; they are arid ecosystems with low precipitation.

Climate change refers to long-term shifts in global temperature patterns due to human influence.