Your UnEssay projects are due on or before April 13th. This 1 poin is a reminder

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Your UnEssay projects are due on or before April 13th. This 1 poin is a reminder. You get a free point for acknowledging you read this reminder.* O I read it. O I am not reading questions. I am guessing randomly. Question: Fish species X lives on coral reefs. Its main predator is shark species Y which lives on some, but not all of the reefs Fish X lives on. On reefs without shark Y, Fish X swims, feeds, and lives freely above the reef. On reefs with shark Y, Fish X swims, feeds, and lives in and between rock crevices and caves within the reef to avoid becoming prey. With regard to habitat use, what did you just learn about Fish X?* 1 point O Fundamental niche O Realized niche O Both fundamental and realized niche O Neither fundamental nor realized niche A fossilized shark tooth is discovered and contains 1/128 1pont of its original Carbon-14. Given that the half-life of Carbon-

Explanation / Answer

Both fundamental and realized niche.

The coral reefs without Shark Y are Fundamental niche for Fish X, where they can occupy at full range and use all the benefits of the ecological niche (without limiting factors).

The coral reefs with Shark Y are Realized niche for Fish X, where the limiting factor restrains or narrows [its occupancy and use] of ecological niche.

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