A pioneer species is _____ species to arrive at a site.

Based on your results, what should the conclusion of the study be?

What is a reasonable explanation of the results in the figure?

Energy (J) Terrestrial Ecosystem Aquatic Ecosystem Net production available in lower trophic level 1,500 1,500 Consumed energy 375 826 Assimilated energy 260 550 Net production energy 84 210 Calculate in joules the Ecological efficiency for the terrestrial and aquatic ecosystems from the table. Give your answers as % Ecological efficiency terrestrial : [EET] % Ecological efficiency aquatic: [EEA] %

Legumes contain nitrogen-fixing bacteria in their roots that increase soil nitrogen for use by other species. This is an example of

Recalling the definition of long-term memory is an example of ________ memory.

Your teacher has given each student the name of a key figure in the history of psychology. The assignment is to describe at least one significant contribution made by this person. If your historical figure is Hermann Ebbinghaus, what contribution might you describe to the class?

Which of the following is NOT an example of a resource?

Which of the following species belong to the same guild?

What accounts for the pyramid shape of the diagram that represents energy in trophic groups in an ecosystem?