1. Living and Non-Living 8/22/17

2. Characteristics of All Living Things
Have cells.
Sense and respond to change.
Reproduce
Use energy
Grow and develop
Excrete waste
Maintain homeostasis

3. 1) Living things have cells
We are made up of trillions of cells
Some organisms are made up of just one cell

4. 2) Living things sense and respond to change
All organisms have the ability to sense change in their environment.
Example: Our Pupils
Get smaller when exposed to light
Get bigger in the dark

5. 2) Living things sense and respond to change
The outside environment of an organism may change, but conditions inside an organism must remain the same
Example:
Our bodies stay at 98.6o F
If we get hot, our bodies sweat to cool us down.
If we get cold, our bodies twitch (shivering) to warm us up.

6. 3) Living things reproduce
Organisms make other organisms that are similar to themselves.
Organisms reproduce one of two ways:
Sexual Reproduction :
2 parents produce offspring
that have characteristics of
both parents
Asexual Reproduction :
a single parent produces offspring
that is identical to the parent.
Coral→

7. 4) Living things use energy
- Organisms use energy for everyday activities:
Breaking down foods
Building new cells
Homeostasis

8. 5) Living things grow and develop
All living things grow during periods of their lives. →

9. 6) Excrete Waste
Nitrogenous wastes in the body tend to form toxic ammonia, which must be excreted. 

10. Homeostasis
***Process of Keeping an organism’s internal environment stable….even though the external environment is constantly changing!!
***This takes a lot of energy!

11. Living or Non-Living ?

12. Homeostasis
Video 1 Click

13. Closing Question:
Which statement describes the process of growth within an organism?
A. A green vine uses energy from the sun to produce more cells.
B. A fire produces more heat as additional fuel is added.
C. An oak tree drops its leaves when the seasons change.
D. An animal’s fur is raised when it senses danger.