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secondary 3 | Biology
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holowinwin
Holowinwin

secondary 3 chevron_right Biology

Why??

Date Posted: 6 years ago
Views: 589
Arnold K H Tan
Arnold K H Tan
6 years ago
Simple logic: Blood diffuses in the water and the piranha's detect and are attracted to the source of the blood. Hence the fish may start biting on the leg to feed.
holowinwin
Holowinwin
6 years ago
Okay thanks

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KOR ZHI HENG
Kor Zhi Heng's answer
63 answers (A Helpful Person)
1st
Can add definition of diffusion in too.
holowinwin
Holowinwin
6 years ago
Thank you!