Physical and Biological stimuli:
Physical stimuli | Biological stimuli |
Water | Herbivores |
Gravity | Soil microorganisms |
Soil | Pathogens |
Light |
|
CO2 | |
Wind | |
Temperature | |
Organic chemicals | |
Hormones |
Properties of auxins and cytokinins :
Auxin | Cytokinins |
Can be used to produce some seedless fruit | increases the rate of cell division |
Produced in the shoot apical meristem | enters cells by diffusion to influence proteins blocking gene expression |
Produced in the roots | involved in leaf aging |
Establishes apical-basal polarity of embryos | |
Binds the receptors on the plasma membrane |
Causing growth towards light |
can I please get help with both of these! thank you Biological Stimuli assify the stimuli...
can I get help with both of these!
thank you!
omplete the sentences with the correct terms. physical phototropism Chemical signals called hormones act in low concentrations to coordinate internal responses to environmental stimuli. stimuli water Plant behaviors range from relatively rapid bending and twisting behaviors called nutation to more long-term growth changes such as tropisms that occur in responses to stimuli. light gravitropism guttation These stimuli include biological factors such as herbivores that consume plant parts or pathogens that...