Environmental Science 1st Nine Weeks Exam

Front

What is the role of fire in grassland ecosystems?

Back

Fire helps in seed dispersal and nutrient cycling.

Front

What is the original name of Easter Island?

Back

Rapa Nui.

Front

What material were the Moai statues made from?

Back

Volcanic rock.

Front

What tree is known for its star-shaped leaves and spiky seed balls?

Back

Sweetgum.

Front

What part of a tree carries food from the leaves to the roots?

Back

Inner Bark.

Front

Define 'ecosystem'.

Back

An ecosystem is a community of living organisms interacting with their environment.

Front

What is the significance of biodiversity in ecosystems?

Back

Biodiversity enhances ecosystem resilience and productivity.

Front

Explain the concept of nutrient cycling.

Back

Nutrient cycling is the movement and exchange of organic and inorganic matter back into the production of living matter.

Front

What is the impact of invasive species on native ecosystems?

Back

Invasive species can outcompete native species for resources, leading to declines in biodiversity.

Front

Describe the process of photosynthesis.

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods from carbon dioxide and water.