A daphnia population shows a vertical migration from the bottom of a one - meter - deep pond during the day to the surface og the pond at night. To which factor is the daphnia population MOST likely responding?

A.) The clarity of the water

B.) The pressure of the water

C.) The pH of the water

D.) The temperature of the water

Four types of motile cells in human body?

Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.