Biology, 19.05.2021 05:40 zahriamarie10

HELP ME PLEASE! Which of the following biomes would be LEAST stable? A. Tundra B. Grassland
C. Rainforest
D. Ocean

Answers: 2

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Answer from: maxwellirowa10oy9yaf

Tundra

Explanation:

Ocean is the most stable biome, provides the majority of earths food and oxygen.

Rainforest provide 20% of earths food production. Also stable.

Grasslands although the don't get much rain it doesn't compare to the harsh weather that Tundra's face.

Tundra's is a very fragile environment. The freezing cold temperatures makes it a very difficult environment to survive in the winter, and plants and animals have a hard time coping with any extra stresses and disturbances. Therefore making it the least stable out of the rest listed.

Answer from: tykeria58

A. Tundra

Explanation:

The less heat and less precipitation a biome receives, the less biodiversity it will have.

Stability is the ability of an ecosystem/biome to withstand sudden changes like natural disasters or diseases. Biodiversity (the number of different species) equals stability. This is because the more species an ecosystem/biome has, the better it will be able to recover from the loss of a species/population (because there will be other species to cover that species' role).

Now, looking at the answer choices, I think almost everyone knows that the rainforest is one of the most diverse biomes, so we can immediately eliminate it. (It checks off good temperatures and lots of rain!)

You might not know, but the ocean biome is also incredibly diverse. (Just think of all of those still undiscovered deep-sea creatures added to all the types of animals and plants you can think of in the ocean). The rainforest and ocean biome actually compete for the highest species richness.

Once we've gotten rid of C. and D., we're left with tundra and grassland. This is where you can go back and remember that higher temperatures and higher precipitation = diversity/stability.

Since the tundra biome is colder than the grassland biome, we can cross out B. too!

Apologies, this explanation turned out quite long. I hope it helps you understand the question better though!

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HELP ME PLEASE! Which of the following biomes would be LEAST stable? A. Tundra B. Grassland
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