Dual Enrollment Earth Science Practice Test

The warming of the Arctic has already caused changes in the timing of which phenomena?

Plankton blooms timing Tundra greening Insect hatching timing All of the above

Correct Answer:

All of the above

Explanation:

Warming in the Arctic shifts the calendar of life, changing when seasonal biological events happen. Plankton blooms tend to start earlier as warmer waters and increasing daylight boost photosynthesis and nutrient mixing in spring. Tundra greening follows the same pattern, with plants breaking dormancy sooner and growing longer as temperatures rise. Insects respond to temperature-driven development, so many species hatch earlier when warmth accumulates sooner in the season. Because all of these processes show shifts in timing due to warming, the best answer is that all of the above are changing. Keep in mind that the amount of shift can vary by species and location, but the general pattern is a advance in timing across these phenomena.

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