Twig Unit 2: Yellowstone

Front

Do plants need air to survive?

Back

False. Plants need air, specifically carbon dioxide, for photosynthesis.

Front

What is a control in an investigation?

Back

A control is a standard for comparison in an experiment where no variables are changed.

Front

What happens if the number of seals in a food web suddenly drops?

Back

The number of squid would likely increase due to less competition for food.

Front

Do plants get all their matter from soil?

Back

False. Plants also absorb water and carbon dioxide from the air.

Front

Do some animals get their matter from eating other animals?

Back

True. Carnivorous animals obtain matter by consuming other animals.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among organisms in an ecosystem.

Front

What role do decomposers play in an ecosystem?

Back

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

Front

What is an ecosystem?

Back

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

Front

What is the significance of biodiversity?

Back

Biodiversity is important for ecosystem stability and resilience.