Biology LEAP Practice

Front

What is osmosis?

Back

Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration through a semi-permeable membrane.

Front

What is the function of mitochondria in cells?

Back

Mitochondria are known as the powerhouse of the cell; they produce energy (ATP) through cellular respiration.

Front

What is mutualism in ecology?

Back

Mutualism is a symbiotic relationship where both species benefit from the interaction.

Front

What happens to organisms when their habitats are destroyed?

Back

Many organisms will lose their homes, leading to population decline or extinction.

Front

What determines the specialization of cells in multicellular organisms?

Back

The specialization of cells is determined by the activation of different genes in each cell type.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll is a pigment in plants that absorbs sunlight, allowing for the conversion of light energy into chemical energy.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and organelles.

Front

What is the significance of biodiversity?

Back

Biodiversity is important for ecosystem stability, resilience, and the provision of ecosystem services.

Front

What is the process of natural selection?

Back

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

Front

What is a food chain?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.