Stimuli and response for dummies

Post on 04-Jul-2015

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Very basic examples of stimuli and response on plants and animals

Transcript of Stimuli and response for dummies

By : Ricardo Colyer

Cats

Cats have something called cat righting reflex which allows them to landon their feet (response) whenever they fall (stimuli). This happens becausethey have a flexible backbone and no functional clavicle.

Sunflowers

Sunflowers need the greatest amount of sun radiation possible (stimuli) so they have the ability to move facing the sun’s position (response). This ispossible thanks to something called pulvinus which is found at the base of the leaf and works like a muscle.

Birds

Since newly born birds don’t know how to hunt (stimuli), the mother has toget food to her babies and feed them (response).

Carnivorous plants

Carnivorus plants, unlike many plants is a consumer because it’s dietconsists on insects. When this plant gets hungry (stimului) the top part of the plant opens and it catches insects with it’s sticky mouth that works as a trap (response).

Chameleons

Chameleons as any other carnivore needs to hunt(stimuli)so he uses his ability to change it’s skin color tocamoflage and hunt his prey without being seen(response). It also uses it’s camoflage to hide from largerpredators.

Crocodriles

Crocodriles, like many other carnivores have their ownstrategy to kill the’re prey(stimuli). The crocodrile’sstrategy is to grab an animal, sumerge it then they roll withthe prey on they mouth and it has a quick death(response).

Dolphins

Dolphins, even though they look like a fish it is actually a mammal.Like all mammals, dolphins need to breathe fresh air(stimuli), that’s why they have a hole on the top of it’s head called blowhole, which they use to inhale and exhale air (response)

Spitting cobras

Spitting cobras, unlike most snakes it has theability tonspitting venom to the prey’seyes(response) whenever it’s hungry or in danger(stimuli).

Bears

Because of scarce food on the winter (stimuli) bears eat a loton fall and when winter arrives bears go to a cave and sleep allwinter (response) and wake up in spring . This is called hybernation