6th Ch. 4 Test

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

• microscope

• seismograph

• periscope

• spectroscope

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

• the cell theory

• characteristics of the living

• a system

• DNA

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NGSS.MS-LS1-1

A group of cells working together is called _____.

• a system

• an organelle

• a tissue

• a unicellular organism

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The _____ provides the external boundary for a cell.

• cell membrane

• chromosome

• cytoplasm

• nucleus

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The bubble like storage organelles found in a cell are called ________.

• chromosomes

• ribosomes

• mitochondria

• vacuoles

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NGSS.MS-LS1-2

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

• mitochondria

• DNA

• chloroplast

• vacuoles

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NGSS.MS-LS1-2

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

• chloroplast

• chlorophyll

• chromosomes

• ribosomes

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

• cytoplasm

• endoplasmic reticulum

• mitochondria

• cell wall

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NGSS.MS-LS1-2

A complete living thing is called an _______.

• organism

• specie

• life cycle

• energy

This scientist was the first to observe and name cells.

• Robert Hooke

• Carolus Linnaeus

• Theodor Schwann