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Nature & Animals

Which mechanism causes stunted eucalyptus growth when subjected repeatedly to high ozone environments?

A)Increased cuticular wax restricts expansion
B)Enhanced root nodulation inhibits transport
C)Reduced stomatal conductance limits carbon
D)Accelerated leaf abscission reduces reserves

💡 Explanation

Restricted growth occurs because ozone exposure triggers adaptive stomatal closure, causing reduced stomatal conductance decreasing CO₂ uptake for photosynthesis, therefore limiting carbon assimilation, rather than affecting structural barriers or root processes.

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