Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (soil, water, air) in a specific area.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic matter, returning nutrients to the soil and helping to maintain the nutrient cycle.

Tags

NGSS.MS-LS2-3

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem, showing how energy and nutrients flow.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Front

What is the difference between herbivores and carnivores?

Back

Herbivores are animals that eat plants, while carnivores are animals that eat other animals.

Front

What is habitat loss?

Back

Habitat loss occurs when natural environments are destroyed or altered, leading to a decline in wildlife populations.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

How does an increase in carnivores affect herbivore populations?

Back

An increase in carnivores typically leads to a decrease in herbivore populations, as more herbivores are hunted for food.

Tags

NGSS.MS-LS2-4

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity refers to the variety of life in an ecosystem. It is important for ecosystem resilience, stability, and the ability to adapt to changes.

Tags

NGSS.MS-LS2-5

Front

What happens if a key species is removed from a food web?

Back

Removing a key species can disrupt the balance of the food web, leading to population declines or increases in other species.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Front

What is the impact of climate change on polar bear populations?

Back

Climate change, particularly the increase in Earth's temperature, leads to habitat loss for polar bears as sea ice melts.

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

Front

What are producers in an ecosystem?

Back

Producers are organisms, like plants, that create their own food through photosynthesis and serve as the base of the food web.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3