Unit 1: Lesson 1 Exploring Life #2

The microscope led to the discovery that all living things are made of one or more _

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Which of these describe characteristics of all living things:

select ALL the correct statements

• They maintaining internal condictions known as homeostastasis 🥵

• They are organized and made of one or more cells 🦠

• They must get energy from sunlight or food 🍇🌻

• they respond to internal and external stimuli 😎

• they reproduce to produce create new organisms 🐣

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Which statement is true about the living organisms you viewed under the microscope 🔬 p.11.?

Cheek smear, Pond Water, and Onion

• All the cells in each slide looked the same 🔬

• All the cells on each slide were the same size 🔬

• The cells in each slide had different shapes and sizes 🔬

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These organisms are unicellar, meaning they are made of only one cell 🦠.

• Bacteria and Amoeba

• Humans and other animals

• Plants and Fungi

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Robert Hooke was the only scientist to discover cells and form the cell theory.

• True, he was the one and only

• False, other scientists helped discover cells and the cell theory.

Which of the following is NOT a principle of the cell theory.

(p.16 and NB p.47)

• All living things are made of one or more cells.

• The cell is the smallest most basic unit of life

• All new cells come from preexisting cells.

• Viruses are cells

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Which statements are true about prokaryotic cells - choose 3 true statements- use p.23-24 to help you.

• Prokaryotic cells make up the human body

• Prokaryotic cells are small and less complete than eukaryotic cells

• Bacteria are prokaryotes meaning they are made of prokaryotic cells

• Prokaryotic cells do not have a lining or nuclear membrane surrounding their DNA/genetic material

One of your friends puts a piece of onion under a microscope and tells you they think the onion is NOT a living thing. Using what you've learning during lesson one evidence from the microscope image, what evidence can you use to help your friend understand that onions are living by using what you learned in class. Choose the 2 correct responses below.

• The microscope shows that the onion is made of cells

• Onions grow and develop over time

• The onion is eating

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Response to stimuli means

• responding to the environment

• Reproducing to make new organisms

• Growth and Development

• Cells

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Amoebas and paramecium are unicellular because they are made of

• Many cells

• One cell

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