A student investigates phototropism in wheat seedlings. She cuts the tips off some of her seedlings. She leaves the seedlings in the window. Two days later the seedlings have bent towards the light. Describe and explain these findings.

removing tips removes auxin so growth stopsauxin collects on the shaded sideauxin causes cell elongation on the shaded sideelongation on one side causes shoot to bend to the other sidethis is positive phototropismthis is advantageous for the plant as light is required for growth

AA
Answered by Amina A. Biology tutor

2800 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

How is the sperm cell adapted to its role?


Explain how bacteria are important in cycle within ecosystems.


What is the order of Phylogenetic divisions?


Explain how a nervous impulse is transmitted across a synapse?


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