Topic 2-part 2
- Created by: Alice
- Created on: 08-05-13 09:09
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- Topic 2
- Human communication
- Body language, gestures and facal expressions and language
- Plant communication
- Strong scented flowers. Release chemicals to warn off insects or attract them
- Famous Ethologists
- Nick Tinbergen- Famous for showing that baby gulls know to peck their parent's beck to show they want food.
- Konard Lorenz- Remembered for discovering imprinting.
- Dian Fossey- First person to live peacefully with gorillas in africa.Discovered males will kill young males to stop females from mating with them
- Jane Goodall- worked out chimpanzees have distinct personalities and they can use tools.
- Co-evolution- When a plant and animal have evolved together because of a special link between them
- Hummingbird- evolved with a flower. The bird gets food source and pollinates the flower it while feeding.
- Hummingbirdpeck evolved to fit in the flower. Flower has bright colours to attract the bird.
- Snapdragon flowers open to be pollinated by bees
- Hummingbird- evolved with a flower. The bird gets food source and pollinates the flower it while feeding.
- Human evolution
- Fossil Evidence
- Ardi-found in africa, dates 4.4 milion years. bones show how chimps and humans evolved differently
- Lucy- human-like fossilied skeleton dates 3.2 million years ago. shows small skull (like apes) and likely to walk upright
- Human using tools
- First used simple tools like flints in stone age
- In the middle ages, shwoen they used arrowheads and spears
- Impact of cllimate change-
- People lived in communities and didn't travel far from their homes
- Last ice age, humans moved from africa to parts of asia and they crossed a frozen bering stright bridge which joined alaska to siberia.
- Mitochondria DNA- passed down by the mother. Scientists can trace back human M-DNA to construct a 'DNA family tree' and predict when a organism was alive and some behaviours
- Scientists traced a human ancestor called African eve. She lived 200,000 in africa
- Fossil Evidence
- Human communication
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