negative phototaxism
positive phototaxism
negative phototropism
postive phototropism
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Discussions (21)

Please the answer is photoTAXISM nd not tropism. Tropism is movement of body parts like tree branch,, leaves etc.. but Taxism involves whole body just like in Cockroach here

D answer here is A, der were meant to type Negative phototaxism bt der mistakenly typed phototropism, it's a typographical error. in summary d answer is Negative phototaxism cos d orgs. moves away frm d source of light, it's positive wen it moves towards d source of light but Negative phototropism d orgs. grows away from light while positive leaves grow towards d light.

Negative phototaxis, or movement away from a light source, is demonstrated in some insects, such as cockroaches.[7]

x negative phototaxism.. cos tactic movement are known for animals, moving all their whole body either positive or negative I.e toward or away .






