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What factor facilitated evolution

within the kangaroo rat?

a) The lack of water and food resources in summer months prompted adaptation for survival.

b) Fitness increased due to the decreased energy required for homeostasis.

c) The amount of osmotic pressure down the concentration gradient reduced the need for water intake.

d) A hypotonic environment required the regulation of salt concentrations.

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Kangaroo Rat:
Human :
Water Gain
Water Gain
water gain: food
food
water gain:
metabolism
metabolism
liquid
Kangaroo Rat:
Human:
Water Loss
Water Loss
urine
evaporation
feces

Top Answer

a) The lack of water and food... View the full answer

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