How is the hatching of water python eggs influenced by the temperature of the sn

Question

How is the hatching of water python eggs influenced by the temperature of the snake's nest? Researchers assigned newly laid eggs to one of three temperatures: hot, neutral (room temperature), or cold. Hot duplicates the extra warmth provided by the mother python, and cold duplicates the absence of the mother. Here are the data on the number of eggs and the number that hatched. Eggs Hatched Cold 29 15 Neutral 56 38 Hot 106 75 (a) Make a two-way table of temperature by outcome (hatched or not). Cold Temperature Neutral Temperature Hot Temperature Hatched Did Not Hatch Total (b) Calculate the percentage of eggs in each group that hatched. (Round your answers to one decimal place.) cold neutral hot The researchers anticipated that eggs would not hatch in the cold environment. Do the data support that anticipation? The cold water had no effect on hatching The cold water prevented hatching The cold water did not prevent hatching, but made it less likely. O The cold water did not pree hatching, but made it more likely.

Explanation / Answer

(a)

(b) Hatched (%)

cold = 15/29 = 51.72%

Neutral = 38/56 = 67.86%

Hot = 75/106 = 70.75%

(c) The cold water did not prevent hatching, but made it less likely

Cold temperature neutral temperature Hot temperature Hatched 15 38 75 Did not hatched 14 18 31 Total 29 56 106

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