Biology Keystone Review

Front

What is the reason carbon can form a large number of different molecules?

Back

Carbon can form four covalent bonds.

Front

What does it mean when nitrogen is described as a limiting factor in an ecosystem?

Back

It indicates that nitrogen availability restricts the growth of producers.

Front

How does photosynthesis relate to cellular respiration in plants?

Back

Photosynthesis provides the materials that fuel cellular respiration.

Front

What type of interaction occurs when a snapping turtle uses its tongue to attract fish?

Back

Predation.

Front

What is the primary function of proteins in the cell membrane?

Back

They allow passage of particles into and out of the cell.

Front

Define covalent bond.

Back

A chemical bond formed by the sharing of electrons between atoms.

Front

What is the role of nitrogen in plant growth?

Back

Nitrogen is a key nutrient that supports the synthesis of proteins and nucleic acids.

Front

Explain the process of photosynthesis.

Back

Photosynthesis is the process by which plants convert light energy into chemical energy, using carbon dioxide and water to produce glucose and oxygen.

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 physical and chemical elements.

Front

What is symbiosis?

Back

A close and often long-term interaction between two different biological species.