Copy down all information from power point to your notebook.

1. History & Domestication
of Animals
By Mr. “Go Knights” Chapman

4. Characteristics of
Animals
Kingdom: Animalia
•Multicellular
•Eukaryotic
•Heterotrophic
•No cell walls

5. History of Animals
• The Earth is about how old?
• 4.5 Billion years old
• The first sign of life was about 3.5 BYA.,
which was bacteria or algae.
• The first animal showed up around 2.5
BYA, which were sponges.

9. Animal History
• What do you think happened 2.2 BYA that
allowed organisms to move out of water
and onto land?
• Allowed animals to move to land:
• 1. Oxygen was produced by
algae/bacteria in the atmosphere.
• 2. The free O2 formed the ozone layer,
which filters UV rays.

11. Important Dates
• First invertebrates
appeared on land
about 420 MYA.
• Fish 400 MYA
• Amphibians appeared
about 370 MYA.
• Reptiles appeared
about 300 MYA.

12. Important Dates
• First Birds and
mammals appeared
about 180 MYA.
• Dinosaurs become
extinct about 135-70
MYA, which allowed
mammals to
dominate.

13. Domestic. Of Animals
• Most likely began when hunters brought
back the young of animals they killed.
What do you think was the first animal
domesticated?
Wolves were first animal to be
domesticated.

15. Wolves
• Hung around villages looking for meals
• Wolf cubs were domesticated for companion
• Used for:
• Warning
• Protection
• Hunting
• First dog jawbone found in a cave in Iraq
– About 12,000 year ago

17. Cats
• Cats date back about 3,500 years ago
• Where do you think first pictures were
found?
• Egyptian tombs
• Cats brought pleasure, companionship,
and controlled rats and mice.