Biology SOL Review

Front

What is a karyotype?

Back

A karyotype is a visual representation of an individual's chromosomes, arranged in pairs and organized by size and shape.

Front

What does an extra chromosome on the 21st pair indicate?

Back

An extra chromosome on the 21st pair indicates Down Syndrome, a genetic disorder caused by the presence of an extra copy of chromosome 21.

Front

What is homeostasis?

Back

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

Front

What role does a deer tick play in a food web?

Back

A deer tick is a parasite, as it feeds on the blood of its hosts, which can include animals like red squirrels, deer, and deer mice.

Front

What is natural selection?

Back

Natural selection is the process by which individuals with traits better suited to their environment are more likely to survive and reproduce.

Front

What is an abiotic factor?

Back

An abiotic factor is a non-living component of an ecosystem, such as temperature, water, and sunlight.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living components of an ecosystem (like plants and animals), while abiotic factors are non-living components (like temperature and soil).

Front

What is the significance of unicellular algae in coral ecosystems?

Back

Unicellular algae provide corals with food through photosynthesis, while corals offer protection and nutrients to the algae.

Front

What happens to algae when water temperature rises?

Back

Algae leave the coral when water temperature rises, which can lead to coral bleaching and negatively impact the coral ecosystem.

Front

What is adaptation in biology?

Back

Adaptation is a process by which a species becomes better suited to its environment through evolutionary changes.