Which of the following might be an investigation of microclimate? a) the effect of ambient temperature on the onset of caribou migrationb) the seasonal population fluctuation of nurse sharks in coral reef communitiesc) competitive interactions among various species of songbirds during spring migrationd) how sunlight intensity affects plant community composition in the zone where a forest transitions into a meadow

D) how sunlight intensity affects plant community composition in the zone where a forest transitions into a meadow

Explanation:

Microclimate is the climate only in a small area within a bigger area. Or the climate of a specific section that is different from its surrounding areas.

The example above, is considered a study on microcliimate because the study is limited to only the "zone" where a forest transitions into a meadow and it does not consider the climate of the surroundings of that zone.

The other options are more broad, but the last one is more specific in terms of the location.

D due to the surrounding environment

D) The sunlight intensity variation affects composition of plant community in zone where a forest transitions into a meadow might be a microclimate investigation.

The microclimate is climate of a small area. These areas include parks, valleys, gardens, etc. Decomposition of decaying carcasses has an influence on soil properties, plant and animal life in the place. Studies conducted in different areas and in varying seasons show that decomposition varied in all conditions.  

Analyzing decomposed animals to determine nutrient recycling is done by analyzing energy and tissue loss; and bone analysis. The humidity, sun and wind temperature affect the decaying process since catalyst microorganism that aid decomposition such as maggots depends on temperature.

If the coral reef were to disappear the reef shark would lose a lot of its food sources like the butterfly fish and also the animals that rely on the coral reef would also disappear too

hope this helps

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once the coral is dead, the reefs will also die and erode, destroying important marine life spawning and feeding grounds.