Mystery #2Tier 2plants / biology
Why does a plant on the windowsill lean toward the glass?
Leave a houseplant by a window and within days it's bending toward the light, as if reaching for it. Plants have no muscles, eyes or brain. So how does it know where the light is, and lean that way?
Your guess
What's your hunch about how a plant with no muscles or eyes bends toward the light?
There's no single magic word to type, have a go in your own words, then reveal the answer to see how close you got.
Make a guess to unlock the hints and the answer.