Biogeochemical Cycles

Front

What is a biogeochemical cycle?

Back

A biogeochemical cycle is the movement of elements and compounds through living organisms and the physical environment, involving biological, geological, and chemical processes.

Front

What are the main components of the water cycle?

Back

The main components of the water cycle include evaporation, condensation, precipitation, infiltration, and runoff.

Front

What role do plants play in the carbon cycle?

Back

Plants absorb carbon dioxide from the atmosphere during photosynthesis, converting it into organic matter and releasing oxygen.

Front

What is the nitrogen cycle?

Back

The nitrogen cycle is the process by which nitrogen is converted between its various chemical forms, including fixation, nitrification, denitrification, and ammonification.

Front

Define predation.

Back

Predation is an interaction where one organism (the predator) hunts and kills another organism (the prey) for food.

Front

What is mutualism?

Back

Mutualism is a symbiotic relationship where both organisms benefit from the interaction.

Front

What is commensalism?

Back

Commensalism is a symbiotic relationship where one organism benefits while the other is neither helped nor harmed.

Front

What is parasitism?

Back

Parasitism is a relationship where one organism (the parasite) benefits at the expense of another organism (the host), often harming it.

Front

What is the largest reservoir of carbon on Earth?

Back

The largest reservoir of carbon on Earth is the ocean, which absorbs a significant amount of carbon dioxide.

Front

How do human activities impact the carbon cycle?

Back

Human activities, such as burning fossil fuels and deforestation, increase carbon dioxide levels in the atmosphere, disrupting the natural carbon cycle.