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Lab 9 Document and Submission

Lab 9 Document and Submission

Q 1. Plot the average hatching viability against the salt concentration. Give the graph a title and label the axes after identifying the independent and dependent variables. 2. In which Petri dish was the highest hatching viability observed? 3. Explain, in terms of adaptation, why one saline solution yielded the highest hatching viability of brine shrimp.4. Describe two variables that are not controlled in this experimental procedure.5. If brine shrimp eggs were transported on shorebirds’ feet from one hypersaline lake to a less salty one, what might happen to them?

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1.a. The independent variable is: Salt concentration b. The dependent variable is: Hatching viability 2.The plate with 2% sodium chloride 3 .The brine shrimps are adapted to hatch in an environment with certain conditions. If the environmental conditions are altered, then the eggs will not be viable. The plate with the highest hatching viability had conditions that were close to the natural environmental conditions. 4.i. The swimming time just limited to the first 48 hours ii. The number of eggs under study in the different petri plates and conditions is not specified