Bob Jones Science 6 Chapter 4

Living things are made of cells.

• True

• False

The idea that cells can function as individual organisms or the smallest units in a larger organism is part of

• classification

• meiosis

• the cell theory

A spectroscope uses lenses to magnify objects, such as cells, hundreds or thousands of times.

• True

• False

A group of cells working together is called ___________ .

• an organelle

• cytoplasm

• an organ system

• a tissue

The cell membrane provides the external boundary for a cell.

• True

• False

The bubble-like storage organelles found in a cell are called __________

• Chromosomes

• Ribosomes

• Mitochondria

• Vacuoles

The parts of a cell that act like engines, breaking down food and releasing energy, are called _________

• mitochondria

• DNA

• chloroplasts

• vacuoles

Plants use a green pigment called chloroplasts to absorb energy from sunlight.

• True

• False

The part of a cell that provides support for plant cells is the cell wall.

• True

• False

The process by which an organism produces reproductive cells is called ___________

• classification

• motosis

• meiosis

• a system