Question

Animals must exchange materials with the

internal and external environment. Which of
the following adaptations can maximize the
surface area for exchange between
environments?
lowering normal body temperature
O hair, fur, and feathers
O branching and folded surfaces
O closing stomata for water conservation

Answer 1

Branching and folded surfaces as well as hair, fur, and feathers are adaptations that can maximize surface area for exchange between environments in animals.

Step-by-step explanation:

One adaptation that can maximize the surface area for exchange between environments in animals is

• branching and folded surfaces: This adaptation is seen in structures such as the intestines, gills, and lungs, which have a large surface area due to their folded or branching structures, increasing the area available for exchange of materials.
• hair, fur, and feathers: These structures, found in many mammals and birds, provide insulation and protection, but also increase the surface area available for gas exchange and thermoregulation.

Therefore, options O and O are both adaptations that can maximize the surface area for exchange between environments in animals.

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