1. Section 1-1 8 characteristics of living things
Unit 1—Molecular Biology Essential Question Why is a human living, but a cell phone is not?
Section characteristics of living things
Learning Targets:
Differentiate between living and non-living beings.

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5. Biology
Bio- means life in Latin
-ology is the study of

6. biology
Biology means _____ ________ of _____ .

7. biology
Biology can study anything that deals with a living thing (organism)
Many biologist specialize in just one area of biology
Example:
Zoologists study animals
Botanists study plants
Ecologists study the environment

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10. biology
Scientists follow 3 steps:
1. Observe

11. biology
Scientists follow 3 steps:
1. Observe
2. Test a hypothesis

12. biology Scientists follow 3 steps: 1. Observe 2. Test a hypothesis
3. Make an inference

13. Characteristics of life
There are certain criteria that must be met for something to be considered living.

14. Characteristics of life
Living things share 8 characteristics.

15. Characteristics of life
They MUST have all 8 to be considered living.

16. Characteristics of life
1. Cells: The basic unit of all life.

17. Characteristics of life
Prokaryotes/eukaryotes
There are 2 types: ____ (no nucleus) & _____ (nucleus)

18. Characteristics of life
Prokaryotes/eukaryotes
There are 2 types: ____ (no nucleus) & _____ (nucleus)

19. Characteristics of life
2. Genetic Code: An instructional blueprint.

20. Characteristics of life
DNA/RNA
There are 2 examples: ____ (database) & ____ (protein)

21. Characteristics of life
DNA/RNA
There are 2 examples: ____ (database) & ____ (protein)

22. Characteristics of life
3. Reproduction: Passing on genetic material.

23. Characteristics of life
Asexual/sexual
There are 2 types: ____ (no exchange) & _____ (exchange)

24. Characteristics of life
Asexual/sexual
There are 2 types: ____ (no exchange) & _____ (exchange)

25. Characteristics of life
energy
4. “Eat”: Obtains and uses _____.

26. Characteristics of life
5. Homeostasis: Maintains an internal balance.
H2O Content

27. Characteristics of life
5. Homeostasis: Maintains an internal balance.
Temperature

28. Characteristics of life
5. Homeostasis: Maintains an internal balance.
Food Intake

29. Characteristics of life
changes
6. Evolve: _______ over time.

30. Characteristics of life
Birth/death
7. Grow: Develops between ____ and ____.

31. Characteristics of life
8. Responds to the environment

32. All living things have one or more ____ .
cells
cells
All living things have one or more ____ .

33. A single cell meets all _#?_ requirements of living things.
cells 8
A single cell meets all _#?_ requirements of living things.

34. cells
Multicellular organisms (plants and animals) have specialized cells.
Cells that perform different jobs
Humans: at least 85 different cell types