What is a tropism

Tropism is directional growthPhototropism is directional growth in response to light.Negative phototropism is growing away from the light e.g. in the rootsPositive phototropism is growing towards the light e.g. in the stem
Geotropism is directional growth in response to gravity or the earthpositive geotropism is growing in the direction of gravity e.g. in the rootsnegative geotropsim is growing in against gravity e.g. in the stem

VM
Answered by Vikram M. Biology tutor

4354 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Explain the effect of a change in pH on enzyme action? (3 marks)


What are the three types of neurones in the human nervous system?


How is it possible for a metal to transfer thermal energy?


Describe and explain how the structure of the small intestine is adapted for absorbing the products of digestion.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning