“Living or

Not?”

“What do we call a living thing?”

A living thing is called an organism.

1. All living things are made of cells.

Cheek CellElodea Plant Cells

Onion Plant Cell

A cell is the basic unit of structure and function within a living thing.

A living thing made of only one cell is called unicellular.

Amoeba

A living thing made of many cells is called multi-cellular.

Elodea Plant

2. All living things are made of similar macromolecules and chemicals.

•Water

•Carbohydrates

•Proteins

•Fats

•Vitamins

•Minerals

3. All living things use and require energy.

•Producers

•Consumers

Carbon – Oxygen Cycle

4. All living things undergo growth and develop.

5. All living things respond to their surroundings.

Stimulus – cause

Response – effect or reaction to cause

6. All living things can reproduce.

Basic Needs

Living things have basic needs.

•Energy

•Water

•Living space

•Homeostasis

Homeostasis is maintaining a stable internal environment within an organism despite changes in the surroundings.

Living things are classified as biotic. Non-living things are classified as abiotic.

How do you decide if something is living or non-living?

?

Scientific processes

Biology is a process of inquiry

Scientist make• Observations

– The skin is red– It feels smooth

• Share data/results– Tables, charts and graphs

• Hypothesis• Experimentation

– Control– Constant– Independent and dependent variables

• Scientific theory

Important Vocabulary

• Equilibrium adhesion

• Osmosis high heat capacity

• Diffusion surface tension

• Capillary action hypertonic

• Polar hypotonic

• Universal solvent isotonic

• Solute

• Cohesion

Your QuizQuestion 1

• Which of the following is the best example of a scientific model?

• a. a group of zoo monkeys to represent behavior in a natural environment

• b. a computer simulation of Earth’s climate changes

• c.an x-ray showing multiple fractures in a bone• d. a salt-water aquarium in the home of a fish

enthusiast

Question 2

• Write and example of a hypothesis?

• One sentence.

Question 3

• What is the difference between an independent variable and a dependent variable? Explain and provide an example.

Question 4 Word Meanings

• What is the meaning of this word

• Homeostasis?

• What does a- and an- mean?

Question 5 Honors

• How do experiments show

cause–and-effect relationships?

Explain and provide an example.