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MODEL PAPER 8 — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYMODEL PAPER 83 Marks
Question
Study the table showing the population interaction between species Z and Y respectively. Assign the appropriate +/– signs for A,B,D,E and respective interactions for C and F.
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Answer

A = +
B = +
C = Competition
D = +
E = -
F Commensalism

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