Test: New SAT Math - No Calculator

1.

One of the most influential niche constructors is the earthworm, an organism found almost everywhere on the planet. A scientist only concerned with evolution would predict that, in order to live on land, earthworms would have to significantly change. Earthworms didn’t change their physiology a great 1 amount, however, instead, they changed the soil to make it more like the ocean in order to survive. Land with earthworms is less compacted, is more nutrient rich, and is better mixed than land without them – leading to monumental changes in the ecosystem.

amount, however; instead,

 amount; however, instead,

NO CHANGE 

amount - however, instead

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