What makes something What makes something alive ?alive ?

What are living things?What are living things?

There are certain criteria that determine if something is living.

Yes, ALL 9 criteria must be met.

Do ALL 9 criteria have to be met?

OrganismOrganism

Anything that possesses all of the following characteristics of life.

Living things R-CHARGEED !!

R -R -

All living things produce offspring. Making copies of individuals by genetic transfer, sexually or asexually.

eproduce

-Living organisms show an orderly structure (made up of cells)

Examples:

Leaf

Cross-section of worm

Centipede

C -C - ells

Example:

The ability to maintain internal conditions separate from an outside environment.

The human body maintains an average temperature of 98.6 ºF.

H -H - omeostasis

A living organism will respond to an environmental condition called a stimulus.

An adaptation is any characteristic of an organism that improves its chances of surviving in its environment

A plant growing in a specific direction due to a light stimulus.

A -A - dapt to the environmentR -R - espond to stimuli

Getting Bigger / Increasing materialAll of the changes that take place during the

life of an organism. Maturing.

Amoeba absorbing nutrients

Growth rings in a tree

G -G - rowthD -D - evelopment

Metabolism. Chemical and energy transformations. All organisms need energy for all life activities. Even thinking requires a considerable amount of energy.

Transforming glucose into ATP for energy (to do work).

E -E - energy

The gradual accumulation of adaptations due to environmental stimuli. (Organisms with more suitable adaptations are more likely to survive and reproduce)

Example:

Owls, and other nocturnal animals have evolved large eyes for better night vision.

E -E - evolve

Allright let’s see how well you Allright let’s see how well you paid attentionpaid attention

To review the lab findings…let’s play a little game of…

It’s Alive!?!?! It’s Alive!?!?!

…Or is it???

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

4% 0%0%

96%

Classify the crayfishClassify the crayfish

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

How did you know???

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

96%

0%4%0%

Classify the cockroachClassify the cockroach

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

How did you know???

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

4%

17%

74%

4%

Classify the conch shellClassify the conch shell

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

4%13%

4%

78%

Classify the fetal pigClassify the fetal pig

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

How did you know???

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

96%

0%4%0%

Classify HerbClassify Herb

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

How did you know???

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

30%35%35%

0%

Classify YogurtClassify Yogurt

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

18%

41%

18%23%

Classify the beansClassify the beans

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

0% 0%0%0%

Classify the wood blockClassify the wood block

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

0% 0%0%0%

Classify the rockClassify the rock

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

0% 0%0%0%

Classify the burning candleClassify the burning candle

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

How did you know???

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

0% 0%0%0%

Classify the eggClassify the egg

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

The chicken and the egg | Science Buzz

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

Aliv

e

Dea

d but

once

aliv

e

Nev

er a

live

Pro

duct o

f a li

ving th

ing

0% 0%0%0%

Classify the cottonClassify the cotton

1. Alive

2. Dead but once alive

3. Never alive

4. Product of a living thing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

How many characteristics of life must an How many characteristics of life must an organism possess to be considered alive?organism possess to be considered alive?

1 3 5

2 a

nd a

hal

f

All

of them

0% 0% 0%0%0%

1. 1

2. 3

3. 5

4. 2 and a half

5. All of them

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

All of the following are All of the following are characteristics of life except…characteristics of life except…

Org

anize

d

Gro

w and

Dev

elop

Adap

t

Mai

ntain

inte

rnal

con

d...

Move

Rep

rodu

ce

0% 0% 0%0%0%0%

1. Organized

2. Grow and Develop

3. Adapt

4. Maintain internal conditions

5. Move

6. Reproduce

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24

Which of the following characteristics of Which of the following characteristics of life are not required for an organism to life are not required for an organism to

survive but instead to ensure survival of survive but instead to ensure survival of an entire species?an entire species?

Org

anize

d

Gro

w and

Dev

elop

Adap

t

Mai

ntain

inte

rnal

con

d...

Move

Rep

rodu

ce

0% 0% 0%0%0%0%

1. Organized

2. Grow and Develop

3. Adapt

4. Maintain internal conditions

5. Move

6. Reproduce

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

21 22 23 24