Ecology and nutrient cycling

Front

A form of nitrogen that dissolves in water so plants can use it is called

Back

Nitrates (NO₃⁻) or Nitrite (NO₂⁻)

Front

N₂ is

Back

Nitrogen gas found in the atmosphere

Front

What happens when different species try to occupy the same niche?

Back

The species compete with each other

Front

An autotroph does

Back

Photosynthesis

Front

The arrows in a food chain or web represent what?

Back

They show what direction the energy is flowing between organisms.

Front

What is the process by which plants convert sunlight into energy?

Back

Photosynthesis

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the soil.

Front

What is nitrogen fixation?

Back

The process of converting nitrogen gas (N₂) from the atmosphere into ammonia (NH₃) or related compounds in soil.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What is the difference between a producer and a consumer?

Back

Producers create their own food through photosynthesis, while consumers obtain energy by eating other organisms.