1. The Characteristics of Life Lecture 2
Cornell Notes
Questions
Notes

2. What’s the difference between living and non-living things?
All living things share 8 things in common.

4. 2)
(1 parent)
johnfriedmann.com/biogloss/fission.gif
(2 parents)

5. 3) All living things have a universal genetic code.
Offspring generally resemble their parents. The directions for inheritance are carried by deoxyribonucleic acid, or DNA.

6. 4)
Growth means that cells increase in size and/or number. In multicellular organisms, they differentiate to form specialized structures. Growth and development are determined by the genetic code (DNA).

7. 5)

9. 6) All living things respond to their environment.
Stimulus: a signal to which an organism responds.
Irritability
Irritability - immediate response to a stimulus.

10. 7) All living things change over time.
Adaptation - an inherited behavior or characteristic that enables an organism to survive & reproduce.
7) All living things change over time.
Over time, populations (groups of organisms) characteristics change, or evolve.

11. 8) All living things maintain an internal balance.
Homeostasis - the ability of an organism to maintain its internal environment despite conditions in the external environment.
Human body temperature is………
if body temperature rises, you sweat.
if body temperature lowers, you shiver.

12. In order for something to be considered a living thing, it must have all eight of these characteristics, not just some of them!
Quiz: Is a computer living?
Why or why not?

14. Summary: Write a 4-5 sentence paragraph summarizing what you learned today from the lecture. Be sure to include the most important details and key vocabulary in your summary.
Questions: Write at least 8 study questions in the margin of your Cornell notes.