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Flashcards in Plant response to environment Deck (8)
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1

physical injury/insect injury

signals produced (systemim). receptors detect them causing other signals production

2

changes in temperture causes

tree growth

3

seed germination causes

hormone produced --> enzymes produced. changes in growth due to hormones

4

response to light causes

growth (phototropism) --> towards light source. response to duration (photoperiod) --> flowering (photochrome)

5

response to gravity

roots grow toward gravity, auxins involved; root tips have gravity sensing cells

6

repsonse to UV radiation

plants accumulate pigments which serve as anti-oxidants for protection against UV. i.e. green tea, tomato, kale

7

play music.talking cause

plants to grow better

8

what are phytosteroids

chemicals in plants, have activity of estrogen