Biology Flashcard

Front

What are the basic units of structure and function in living things?

Back

Cells

Front

What is the control center of a cell?

Back

Nucleus

Front

What is the function of a cell wall?

Back

To protect and support the cell

Front

What process allows molecules to move from an area of higher concentration to an area of lower concentration?

Back

Diffusion

Front

What is the ultimate source of energy for all living things?

Back

The sun

Front

What is an organism called that can make its own food?

Back

Autotroph

Front

During which stage of the cell cycle does the cell’s nucleus divide into two new nuclei?

Back

Mitosis

Front

All cells come from

Back

other cells

Front

Specialized cells are only found in: plants, animals, unicellular organisms, many-celled, or multicellular, organisms

Back

many-celled, or multicellular, organisms

Front

An instrument used by scientists to look at very small objects

Back

microscope