Living Things
Mr. Skirbst
Weekly Challenge: On average, how many eggs can a rooster lay in a year?
John Ray
November 29, 1627 – January 17, 1705
He was an English naturalist who published
important works on botany and zoology.
His classification of plants was an important step
to modern taxonomy and he defined species.
Living Things
* All living things (on Earth)
share similar characteristics
6 Characteristics of Living Things
1. Made of cells
6 Characteristics of Living Things
1. Made of cells
2. Ability to move
6 Characteristics of Living Things
1. Made of cells
2. Ability to move
3. Perform complex chemical
activities (ingestion,
digestion, respiration,
excretion)
6 Characteristics of Living Things
1. Made of cells
2. Ability to move
3. Complex chemical activities
4. Grow and develop
6 Characteristics of Living Things
1. Made of cells
2. Ability to move
3. Complex chemical activities
4. Grow and develop
5. Respond to stimulus
6 Characteristics of Living Things
1. Made of cells
2. Ability to move
3. Complex chemical activities
4. Grow and develop
5. Respond to stimulus
6. Reproduce
Origins of Life
Origins of Life
Origins of Life
Spontaneous Generation Theory
- stated that living things came
from non-living matter, all
by itself
Origins of Life
Francesco Redi (Italy, 1668)
Origins of Life
Francesco Redi (Italy, 1668)
- disproved theory with his
famous experiment (meat & flies)
Origins of Life
Francesco Redi
- He showed that “living
things do NOT come from
non-living matter.”
Origins of Life
Francesco Redi
- He showed that “living
things do NOT come from
non-living matter.”
- “Living things come from
living things.”
6 Basic Needs of Living Things
6 Basic Needs of Living Things
1. Energy
primary source is the sun
6 Basic Needs of Living Things
1. Energy
2. Food
(provides chemical
nutrients)
6 Basic Needs of Living Things
1. Energy
2. Food
3. Water
(allows chemical activities to
occur)
6 Basic Needs of Living Things
1. Energy
2. Food
3. Water
4. Oxygen
(from air or water)
6 Basic Needs of Living Things
1. Energy
2. Food
3. Water
4. Oxygen
5. Living Space
(competition for resources)
6 Basic Needs of Living Things
1. Energy
2. Food
3. Water
4. Oxygen
5. Living Space
6. Temperature
Testing for Life
How can soil from another
planet be tested for life?