Behavior and Evolution

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Behavior is an Organism's response to changes in its environment, which helps it survive.
Innate behavior is not learned, it is instinctive. It can either be a simple reflex or complicated behavior.
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Stimulus
A stimulus is a detectable change in environment.
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Habituation
Keep giving an animal a stimulus (which is not beneficial or harmful), it quickly learns not to respond to it. By ignoring these, the animal can spend time and energy more effciently.
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Imprinting
Imprinting is when an animal learns to recognise its parents and instinctively follow them.
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Classical Conditioning
Animal learns passively (without trying) which is a neutral stimulus and what is a important one. Example Pavlov - behavior of dogs.
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Operant Conditioning
Trial and error, learns action by reward or punishment.E.g. Children rewarded for behavior - has to work out what is going on.
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Animal Communication by sound, visual signals and chemicals (pheromones)
Communication Beneficial because animals can group and hunt together and warn each other. Also evoke emotions and distress.
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Mating Behavior. To attract mate a lot of animals sing songs, making calls, doing a dance or ritual and show territory. The more extravagant, louder and prettier the better.
Monogamy- 1 mate, increase bond between male and female. Polygamy- more than 1 mate, often best adapted male mates with the most females.
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Parental care offers protection, food and life skills.
Looking after young increased survival and allows the genes of the next generation to be passed on. Chance of survival increases.
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Co- evolution is where 2 organisms evolve in response to each other,
E.g. plants and their insect pollinators, plants and the insects that eat them.
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Card 2

Front

A stimulus is a detectable change in environment.

Back

Stimulus

Card 3

Front

Keep giving an animal a stimulus (which is not beneficial or harmful), it quickly learns not to respond to it. By ignoring these, the animal can spend time and energy more effciently.

Back

Preview of the back of card 3

Card 4

Front

Imprinting is when an animal learns to recognise its parents and instinctively follow them.

Back

Preview of the back of card 4

Card 5

Front

Animal learns passively (without trying) which is a neutral stimulus and what is a important one. Example Pavlov - behavior of dogs.

Back

Preview of the back of card 5
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