Cells & Classification-Ch 4

Living things are made up of cells. Cells can function as individual organisms or as the smallest units in a larger organism. These conclusions form the basis of....

• the cell theory

• the characteristics of living things

• meiosis

• mitosis

A group of cells working together is called _______

• a system

• an organelle

• a unicellular organism

• a tissue

The _____ provides the external boundary of a cell.

• cell membrane

• chromosome

• cytoplasm

• nucleus

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

• chromosomes

• mitochondria

• ribosomes

• vacuoles

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

• mitochondria

• DNA

• chloroplasts

• vacuoles

Plants use a GREEN PIGMENT called _____ to absorb energy from sunlight.

• chloroplasts

• chlorophyll

• chromosomes

• ribosomes

The part of the cell that provides support for the plant cells is called

• cytoplasm

• endoplasmic reticulum

• mitochondria

• cell wall

The process by which an organism produces reproductive cells is called

• classification

• mitosis

• meiosis

• a system

Organisms grow and replace cells through the process of

• classification

• mitosis

• meiosis

• a system

This person developed a system of classification.

• Robert Hooke

• Carolus Linnaeus

• Theodor Swann