Levels of Organization in an Organism

According to the levels of organization in an organism, which of the following is the correct order from smallest to largest?

• Tissues, cells, organs, organ systems

• Cells, tissues, organs, organ systems

• Organs, tissues, cells, organ systems

• Organ systems, organs, tissues, cells

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NGSS.MS-LS1-3

What is a tissue in the context of biology?

• A. A thin layer of organic material used for cleaning purposes.

• B. A group of cells that are similar in structure and are organized together to perform a specific task.

• C. A single cell that performs a specific function.

• D. A collection of organs that work together to perform a specific function.

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NGSS.MS-LS1-3

What defines an organ in the human body?

• A. A single type of tissue that performs a specific function.

• B. A group of cells that are not similar and perform random tasks.

• C. A structure made of two or more tissues that work together.

• D. A collection of cells that form the structural part of a plant or animal.

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NGSS.MS-LS1-3

What is the function of connective tissue in the body?

• To cover the exterior surfaces of the body

• To support and bind other tissues of the body

• To line internal cavities and passageways

• To form the glands

What is the primary role of epithelial tissue?

• To support and bind other tissues of the body

• To form the glands

• To cover the exterior surfaces of the body, line internal cavities and passageways

• To provide sensory functions

What is a Body System?

• A single organ that performs a vital job in the body.

• A group of organs and tissues that work together to do important jobs of the body.

• A collection of cells that perform random functions.

• A system in the body that is not essential for survival.

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What does the Circulatory System do?

• It only transports oxygen to the body cells.

• It moves nutrients away from cells and transports carbon dioxide to cells.

• It transports oxygen, hormones, and nutrients to the body cells and moves waste and carbon dioxide away from cells.

• It controls the movement of muscles and supports the body structure.

Do cells in the human body normally function alone?

• Yes, they function independently

• No, they do not function alone

• Yes, but only in certain organs

• No, they always require external stimuli

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What do cells form when they work together?

• Individual organs

• Larger groups to create parts of the organism

• Single-cell organisms

• Independent systems

Tags

NGSS.MS-LS1-3

Which level of organization in multicellular organisms is the simplest?

• Tissue

• Organ

• System

• Cell

Tags

NGSS.MS-LS1-3