Biology Semester 1 Review

Front

What is a population in biology?

Back

A population is a group of individuals of the same species living in a specific area.

Front

What is the pH range for bases?

Back

Bases have a pH greater than 7.

Front

What is mutualism?

Back

Mutualism is a symbiotic relationship where both species benefit, such as the clownfish and sea anemone.

Front

What is osmosis?

Back

Osmosis is the diffusion of water through a selectively permeable membrane.

Front

What are abiotic factors?

Back

Abiotic factors are non-living components of an environment, such as temperature and rainfall.

Front

What is a biotic factor?

Back

Biotic factors are living components of an ecosystem, such as plants and animals.

Front

Define symbiosis.

Back

Symbiosis is a close and long-term interaction between two different species.

Front

What is the difference between mutualism and commensalism?

Back

In mutualism, both species benefit; in commensalism, one benefits while the other is neither helped nor harmed.

Front

What is the role of producers in an ecosystem?

Back

Producers, like plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is the definition of a niche?

Back

A niche is the role or function of an organism or species within an ecosystem.