CFA Program Level II for May 2025

What is photosynthesis?

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

What is the purpose of respiration in living organisms?

Respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Define biodiversity.

Biodiversity refers to the variety of life in the world or in a particular ecosystem, including the variety of species, genetic variability, and ecosystem diversity.

What is an ecosystem?

An ecosystem is a biological community of interacting organisms and their physical environment.

What are producers in an ecosystem?

Producers are organisms that create their own food through photosynthesis or chemosynthesis, serving as a source of energy for other organisms.

What role do decomposers play in the ecosystem?

Decomposers break down dead organic material, recycling nutrients back into the ecosystem.

Describe the nitrogen cycle.

The nitrogen cycle is the process by which nitrogen is converted between its various chemical forms, playing a crucial role in the biosphere.

What is natural selection?

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

Define habitat.

A habitat is the natural environment in which a species or community of species lives.

What is climate change?

Climate change refers to significant changes in global temperatures and weather patterns over time, mainly due to human activities.