2024 Biology Semester I Final

Front

What are the basic characteristics of all living organisms?

Back

1. Display organization 2. Maintain homeostasis 3. Require energy 4. Reproduce (not necessarily sexually)

Front

What is mutualism?

Back

A symbiotic relationship in which both organisms benefit.

Front

What does a decrease in salmon population due to an increase in river temperature indicate?

Back

An abiotic factor affecting a biotic factor.

Front

What is a trophic level?

Back

Each step in a food chain or food web.

Front

What is predation?

Back

The act of one organism feeding on another organism.

Front

What is homeostasis?

Back

The ability of an organism to maintain a stable internal environment despite changes in external conditions.

Front

Define ecosystem.

Back

A community of living organisms interacting with their physical environment.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert solar energy into chemical energy through photosynthesis.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living components of an ecosystem, while abiotic factors are non-living physical and chemical elements.