“Living or Not?”

A living thing is called an organism. “What do we call a living thing?” A living thing is called an organism.

1. All living things are made of cells. Elodea Plant Cells Onion Plant Cell Cheek Cell A cell is the basic unit of structure and function within a living thing.

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

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

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

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

Biology is a process of inquiry Scientific processes Biology is a process of inquiry

Scientist make Observations Share data/results Hypothesis 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 Quiz Question 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.