What are ways that pioneer species differ from climax communities? Check all that apply.

Pioneer species occur only in primary succession, while climax communities occur in both types of succession.

Pioneer species inhabit volcanic islands, while climax communities occur on continents.

Pioneer species include only one or two species, while climax communities include many species.

Pioneer species reproduce in small numbers, while climax communities reproduce in large numbers.

Pioneer species tend to be small and simple, while climax communities tend to be larger and more complex.

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In which situations is the principle of cross-cutting relationship useful in determining relative age?

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.

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !