Biology STAAR Review

Front

What are the components that make up the backbone of a DNA molecule?

Back

Deoxyribose and phosphate groups.

Front

What plant response helps maximize and retain water during a drought?

Back

Decreasing stem and leaf growth, while increasing root growth.

Front

What property is found only in cancer cells?

Back

Unregulated cell division.

Front

What classification group must blue whales and narwhals share?

Back

Phylum.

Front

What do multiple transitional fossils in rock layers provide evidence of?

Back

Gradual change of a species over time.

Front

What is the basic unit of life?

Back

Cell.

Front

What process do plants use to convert sunlight into energy?

Back

Photosynthesis.

Front

What is the role of mitochondria in a cell?

Back

Mitochondria are the powerhouse of the cell, producing energy.

Front

What is the function of ribosomes?

Back

Ribosomes synthesize proteins.

Front

What is natural selection?

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.