G5/Science - Lesson 23
Terms
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- What is a respose?
- what a living thing does as a result of a stimulus
- What is adaptaiion?
- a characterisitic that enables a LIVING thing to survive in its enviornment
- What are positive and negative tropisims?
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A positive tropism is a growth response toward a stimulus.
A negative tropism is a growth response away from a stimulus. - In what ways are plant behaviors like certain animal behaviors?
- Plants and animals both respond to stimuli
- In what ways are some animal behaviors different from plant behaviors?
- Aninals can move from place to place, and can fight
- What are some ways that animals adaot to their environment?
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Unpleasant sprays
speed
sharpness of claws
mimicry
camouflage - What are some ways plants are able to adapt to their enviornment?
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color
climbing ability
poisins
aroma
ability to grow large, blocks out sunlight from competeing plants
various structures like thorns - What are hydrotropism, phototropism, and gravitropism?
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Hydro - a water stimulus tropism
photo - a light stimulus tropism
gravitropism - a gravity stimulus tropism - What is a stimulus?
- something in the enviornment (such as light or heat) that causes a living thing to react
- What is a tropism?
- a GROWTH response of a plant toward or away from a stimulus
- Where does a cactus store water?
- in its stem
- How do auxins help plants grow toward the light?
- Auxins move to the side of the plant opposite the light,which causes the plant to bend in the direction of the light.