BIO: Fall 2024 Semester Test

Front

What is the purpose of a hypothesis in scientific research?

Back

To offer a testable prediction.

Front

Are oxygen, salt, and protein examples of matter that are nutrients?

Back

True.

Front

Which country shows a population that has reached negative growth? A) Kenya B) United States C) Germany

Back

C) Germany.

Front

What is the term for the number of organisms per unit of living area?

Back

Population density.

Front

What is the term used for the limit at which the population levels off in logistic growth?

Back

Carrying capacity.

Front

Define 'nutrient'.

Back

A substance that provides nourishment essential for growth and the maintenance of life.

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 components.

Front

What is an ecosystem?

Back

A community of living organisms interacting with their physical environment.

Front

What is the role of producers in an ecosystem?

Back

Producers convert solar energy into chemical energy through photosynthesis.

Front

Define 'carrying capacity'.

Back

The maximum number of individuals of a species that an environment can support sustainably.