Biology STAAR Review

Front

What is active transport?

Back

Active transport is the movement of substances across a cell membrane against their concentration gradient, requiring energy in the form of ATP.

Front

What is passive transport?

Back

Passive transport is the movement of substances across a cell membrane without the need for energy, occurring along the concentration gradient.

Front

What is the main difference between active transport and passive transport?

Back

Active transport requires ATP, while passive transport does not.

Front

What is a species name in biological classification?

Back

A species name is a two-part name used to identify a species, consisting of the genus name and the species identifier.

Front

What adaptations help plants retain water during drought?

Back

Plants may decrease stem and leaf growth while increasing root growth to maximize water retention.

Front

What is the role of viruses in causing disease?

Back

Viruses cause disease by replicating inside host cells and then lysing (breaking open) the cells.

Front

What is the significance of Edward Jenner's work with cowpox?

Back

Edward Jenner developed the first vaccine using cowpox, which helped to provide immunity against smallpox.

Front

What is the difference between a habitat and a niche?

Back

A habitat is the environment where an organism lives, while a niche is the role or function of that organism within its habitat.

Front

What is the importance of biodiversity in ecosystems?

Back

Biodiversity contributes to ecosystem resilience, stability, and the ability to recover from disturbances.

Front

What is an adaptation in biology?

Back

An adaptation is a characteristic that enhances an organism's ability to survive and reproduce in its environment.