Section 1.5 and 1.6 of CK12

What is the basic unit of structure and function in all living things?

• atoms

• cells

• organelles

• organs

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

_____ is the ability of an organism to maintain a stable internal environment.

• homeostasis

• evolution

• growth and development

• metabolism

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NGSS.HS-LS1-3

Organisms can be either unicellular or multicellular.

• true

• false

Tags

NGSS.MS-LS1-1

Which of the following is NOT an example of homeostasis?

• You sweat to cool your blood when you get to hot.

• You breathe to maintain balance of carbon dioxide and oxygen in your blood.

• You shiver to warm your blood when you get to cold.

• You drink coffee or an energy drink to stay awake.

Which of the following is not considered a characteristic of living things? (2)

• respond to their environment

• grow and change

• moving around in their environment

• are made of structures called cells

• able to think and reason

Tags

NGSS.MS-LS1-8

It is because of an organism's _____ that it has the ability to take in or make food and convert it to energy used by cells.

• metabolism

• offspring

• size

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NGSS.MS-LS1-6

NGSS.MS-LS1-7

Which of the following are unifying principles of Biology? (4)

• the cell theory

• the gene theory

• homeostasis

• evolutionary theory

• chemical reactions in metabolism

Tags

NGSS.MS-LS1-1

NGSS.MS-LS4-2

A stimulus is a/an _____. (2)

• change in the behavior

• putting on more clothes when it is cold

• event that leads to a response

• a change in the environment an organism lives in

Tags

NGSS.MS-LS1-8

Which of the following is the correct order for levels of organization in living things?

• organism, atoms, cells, organs, macromolecules, tissues, organ systems, organelles, molecules

• atoms, molecules, macromolecules, organelles, cells, tissues, organs, organ systems, organisms

• organism, organs, organ systems, tissues, cells, organelles, macromolecules, molecules, atoms

• atoms, macromolecules, molecules, cells, organelles, tissues, organs, organ systems, organisms

All cells come from _____.

• other cells of the same type

• any kind of cell

• tissues

• bacteria and viruses

Tags

NGSS.MS-LS1-1