The movement response of a cockroach away from a light source is

a

negative phototaxism

b

positive phototaxism

c

negative phototropism

d

postive phototropism

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Explanation

Correct Option
a

No explanation available

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Discussions (21)

Slimvic
9 years ago

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

Sweetchilexy
9 years ago

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.

bettyamaka
8 years ago

tropism is for plant while tax ism is for animals.simple

Charlene Samies
8 years ago

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

REXOO
9 years ago

Look here guys, don't confuse me the more, I need a straightforward answer.

Chrisplendour
1 year ago

taxism or tactic is for animals
tropism or tropic is for plants

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

Bhamiex
9 years ago

Am confused o.

busayo2
9 years ago

pls ar we nw saying myschool is wrong?cux m confused

zubimark
9 years ago

bonus mark I think, my school help o

Sanizango
9 years ago

Here is an explanation:

You Made A Repeatition Of The Choice

Ugwudum
6 years ago

Please movement of an organism from a light source is negative phototaxism

MoyinoluwaCurie399
3 months ago

negative phototropism us correct.

Yvonne obiah
9 years ago

U guys sure of wachu sayin?

Ibrahim fatimoh
9 years ago

My school option A and B are the same(negative phototropism)

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