2. The advantage of countercurrent circulation in the circulatory system is that

Question

2. The advantage of countercurrent circulation in the circulatory system is that: a. The number of blood vessels is minimized b. The length of blood vessels required for circulation is minimized c. Heat can be conserved through conductive transfer from arteries to veins d. Animals can cool the body through radiative transfer from veins to arteries e. both c and d 3. If all prey types have the same energy reward, a consumer should rank them from most to least profitable by: a. Ranking them from highest search time to lowest. b. Ranking them from lowest search time to highest. c. Ranking them from highest handling time to lowest d. Ranking them from lowest handling time to highest e. Their profitability will be identical so the ranking will not matter

Explanation / Answer

The advantage of countercurrent circulation in the circulatory system is that

Heat can be conserved through conductive transfer from arteries to vein

If all prey types have the same energy rewards a consumer should rank them from most to least profitable by

Ranking them from the lowest searching time to highest searching time

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