If a tornado uproots most of the trees in an ecosystem, it could be expected that, due to the loss of the trees, there will be a reduction in -
A. sunlight
B. Oxygen
C. Precipitation
D. Soil

B. Oxygen

Explanation:

Trees release oxygen as a byproduct of photosynthesis, so once the trees are uprooted, they will no longer execute photosynthesis and thus no oxygen would be released by the dead trees.

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the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.