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Chapter 4: L5 / L6
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What is an "Environment Stimilus" ? (3)
1- causes a reaction in a living thing 2- stimuli can be internal or external 3- plural: stimuli
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What did George Mendell notice?
diffrent characteristics in peas (stems, pods, leaves, lowers...)
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What is this?
Fingerprint
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What are the 3 ways by which animals can respond to their environment's stimilus? (3)
Behaviors / instincts / learned behaviors
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Give an example of a behaviour that is a response/ reaction to external environemt
Turtle: pulls its ead in
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Define "Behavior" (2)
Response to the environment/ the way animals act
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High tide / low tide
Ocean water
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Inherited characteristics of plants, example, The prickly pear cactus: (3(
-Sharp spines (long/short) - paddle flattened stems - stems: waxy covering
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What animal is this?
Hedgehog
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Hibernation - definition and 5 examples
State of rest / inactivity - snakes, bears, bats, marmoths, lizards, bats..
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Give an exmple of an animal that does something that is learning and instinct combined?
Instinct: the ability to recognize the song / Learned behaviour: to sing the song
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Give an example of an internal stimilus:
Hunger
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Talk about human beings' inherited charactericteristics :
Height (tall/ short) / eye colour / hair colour
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Heredity
Science that studies the passing of characteristics from parents to offspring
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Animals can respond to their environment by behaviors. Give 2 examples.
Response to the environment stimilus: turtle pulls its head / Response to internal stimilus: huger -> get food
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Who is George Mendell? (4)
- Monk - mid 19th century(1800s) -noticed that peas inherit their characteristics from their parents -father of genetics
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Define "Environment"
Everything that surrounds a living thing
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How is human language both an instinct and learned?
Inherit: The ability to understand language / learned behaviors: words, grammar, sentences..
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Characteristics
Qualities of an organism
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Who is "the father of genetics"?
George Mendel
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Define "Instincts"
Inherited behaviors
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What is a "Learned behaviour" ? (3)
1- develops a result of training 2- experience 3- interracting with the environment
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Talk about animals' inherited characteristics:
Zebras: Black and white stripes (fingerprint) / Manes (short and stand on their necks)
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Why do organisms need the characteristics that they inherited from their parents?
To survive the environment
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Give 4 examples of anima instincts
Sucking in water to keep cold (sea stars) - Hibernation (snakes, bears, marmot) - migration - Protection (hedgehog- porcupine)
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Give an example of a learned behaviour of "cubs"
pounce of their mother's tails - teaches them how to pounce on animals
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