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Chapter 5 Question • In the years immediately after a fire, a forest will experience… Answer • Secondary Succession Question • Which of the following best describes a successful individual in evolutionary terms? A. A successful individual possesses traits that are different from the traits of the rest of the population. B. A successful individual produces many offspring that possess unique traits. C. A successful individual is well adapted to its environment and produces offspring that survive to pass on genes. D. A successful individual will be well adapted to its environment and produce a few high quality offspring. Answer • C – A successful individual is well adapted to its environment and produces offspring that survive to pass on genes Question • An interaction in which an individual of one species kills and consumes an individual of another is called… Answer • Predation Question • In the Western United States, at the southern edge of their range, moose are sometimes so severely infested with ticks that they die. The tick/moose relationship is best described as… Answer • parasitic Question • A beehive depends on pollen from flowers to survive. Flowers depend on bees to pollinate them. Humans tend bee hives, offering the bees a place to live in exchange for some of their honey. The relationship among these three sets of organisms is… Answer • Mutualism Question • The ultimate source of energy in an ecosystem in which deer eat grass and coyotes eat deer is… Answer • The sun Question • In a food web that consists of grass, mice, deer, coyotes, and hawks, which species is likely to have the greatest biomass? Answer • grass Question • A niche restricted by competition is a _______ niche. Answer • realized Question • In the history of the world, how many mass extinctions have occurred? Answer • 5 Question • A deer browsing on shrubs is an example of… Answer • Herbivory Question • The first level of all food pyramids consists of … Answer • Primary producers Question • A species with a restricted tolerance for environmental conditions is a …. Answer • Specialist Question • A landslide causes part of a mountainside to fall away, leaving bare rock. In the years immediately following the landslide, the area will experience _____ succession. Answer • Primary succession Question • If these are present in a new environment, a species is unlikely to become invasive (3). Answer • Predators, parasites, and competitors Question • In Madagascar, several species of lemur eat bamboo, but each species specializes in one part of the bamboo – one species eats mature bamboo stalks, one species eats bamboo shoots, and one species eats leaves. This is an example of… Answer • Resource partitioning Question • In the previous question, one lemur species eats only bamboo shoots. Bamboo shoots contain high levels of cyanide, a toxic chemical. This lemur species has developed a tolerance for a certain amount of cyanide. What do you think will happen over time? Answer • The level of cyanide in the bamboo population will increase Question • When energy is transferred between trophic levels, the amount of available energy lost is about… Answer • 90% Question • Humans are generally ______vores Answer • Omnivores Question • Any being that uses sun’s energy to create sugars is a … Answer • Primary producer Question • Two populations of deer species are separated when a glacier forms. After the glacier melts, the two populations have become different species. This is and example of allopatric _________. Answer • Speciation Question • Communities that are powered by the sun depend on ________ for their energy. (The answer is not primary producers) Answer • photosynthesis Question • Animals gathering around a water hole in a drought prone area and establishing hierarchies of access to the water is an example of ________. Answer • Competition Question • You have many species of bacteria living in your gut that help you with digestion. This relationship is best defined as … Answer • Commensalism/Mutualism Question • An _____ species is a species that has been introduced to a new area and lacks limiting factors. Answer • Invasive Question • True or False: A nation where most of the people eat primarily vegetarian diet will be able to support a lower population than it would if the people ate a lot of meat. Answer • False Question • The twenty varieties of heirloom tomatoes available at your local farmer’s market are the result of … Answer • Artificial selection Question • _______________ is an interaction in which an animal eats a plant. Answer • Herbivory Question • An organism’s ______ describes its use of resources and functional role in a community. Answer • Niche Question • ______ is an accidental change in DNA Answer • mutation Question • ______ consume nonliving organic matter including leaf litter, waste products, and the dead bodies of other communities. Answer • detritivores Question • _____ is a close, long-term association between two organisms. Answer • Symbiosis Question • ____ is the process by which bacteria use energy stored in bonds of hydrogen sulfide to convert carbon dioxide and water to sugars. Answer • Chemosynthesis Question • A species that has a strong and wide-ranging impact on a community is a _________ species. Answer • Keystone Question • ____ break down nonliving matter into simpler parts that can be taken up and reused by primary producers Answer • decomposer