tropism

Pregunta	Respuesta
A tropism	A 'tropism' is a growth in response to a stimulus. Plants grow towards sources of water and light, which they need to survive and grow.
Different types of tropisms	Tropism – growth in response to a stimulus Positive tropism – towards the stimulus Negative tropism – away from the stimulus Phototropism – growth in response to the direction of light Geotropism – growth in response to the direction of gravity
positive tropism	-Stem tip -Growth towards light -To get maximum light for photosynthesis
negative phototropism	-Root tip -Growth away from light -Less chance of drying out
positive geotropism	-Root tip -Towards gravity -More chance of finding moisture
negative geotropism	-Stem tip -Away from gravity -More chance of finding light
auxin	Auxin is a plant hormone responsible for controlling the direction of growth of root tips and stem tips in response to different stimuli including light and gravity.

Resumen del Recurso

	Creado por s.ghillean hace casi 11 años