1.1-1.3 - Ecology Unit Review

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches.

Front

Which activity does not add CO2 to the atmosphere?

Back

Planting trees does not add CO2 to the atmosphere.

Front

What is one cause of Global Warming that is not a contributing factor?

Back

The rotation of the Earth is not a cause of Global Warming.

Front

What does a secondary consumer eat?

Back

A secondary consumer eats primary consumers.

Front

Who is the producer in a food chain?

Back

In a food chain, the producer is typically a plant, such as grass.

Front

Define a primary consumer.

Back

A primary consumer is an organism that eats producers, typically herbivores.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic material, returning nutrients to the soil.

Front

What is the greenhouse effect?

Back

The greenhouse effect is the warming of Earth's surface due to the trapping of heat by greenhouse gases in the atmosphere.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

Front

What is an ecosystem?

Back

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