Which level of organization is seen in both arachnoidiscus ehrenbergi and the human stomach? cell tissue organ organ system

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

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.

What form of anesthetic was used for field surgery