Succession Answers

How is a climax community different than a primitive community?a.The types of organisms present in a climax community are more complex.b.Primitive communities tend to have less biodiversity than climax communities.c.Climax communities are more stable than primitive communities.d.All of the above

Succession is affected by _______.a.climateb.soilc.geographyd.all of the above

How are primary and secondary succession similar?a.Both primary and secondary succession involve ecosystems that have no soil.b.Both primary and secondary succession involve ecosystems recovering from a disruptive event.c.Both types of succession require a pioneer species to aid recovery of ecosystems.d.Primary and secondary succession have no similarities.

Which of the following would most likely be a cause of primary succession?a.farmingb.overhuntingc.volcanod.defoliation

Which of the following is not a characteristic of a climax community?a.high levels of biodiversityb.presence of complex organismsc.conditions suitable for all organismsd.experiences no change

Different types of changes take place in ecosystems after they experience a disturbance. From June to September 1988, 51 different wildfires started in Yellowstone Park. By the end of the summer, approximately 794,000 acres of the park were affected, including about 24 percent of the whitebark pine forest population, many lodgepole pine stands, and a variety of other plants and animals. Photo by National Park Service Which type of change was seen in the ecosystems affected by the 1988 fires in Yellowstone Park?

Which of the following could be both a natural and a human cause of succession?a.lava flowb.overcuttingc.fired.wind

Succession is a process, with each new community paving the way for the next.

Succession is always caused by natural events.

Which of the following is the most likely cause of succession in ecosystems?a.arrival of new speciesb.rainc.loss of an animal speciesd.wildfires