TEKS Biology High School - B.11.D: Ecological Succession
Quiz by TEKS Biology High School
High School - Biology
Science (2010)
Texas Essential Knowledge and Skills (TEKS)
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12 questions
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- Q1An estuary collects sediments from the ocean and rivers that feed into it. The sediments swirl around and then settle to form a mudflat. Eel grass is then established on the mudflat. The ecosystem changes over time and ultimately develops into a salt marsh that contains mangrove trees. Which of the following is likely NOT involved in this example of ecological succession?The roots from plants help stabilize the sediment, keeping it in placeThe concentration of salt becomes so high that all plant life is destroyedThe soil becomes so fertile that eel grass is replaced by other plant speciesThe rotting remains of plants add to the fertility of the soil30sB.11.D: Ecological Succession
- Q2The rocky material left behind by a retreating glacier forms what is called a moraine. When primary succession occurs on a moraine, which life-forms will help create the soil by breaking down bare rock?InsectsDeciduous treesLichensGrasses30sB.11.D: Ecological Succession
- Q3During ecological succession, how does the growth of young hardwoods affect the organisms living in an ecosystem?Grasses and low shrubs are unable to obtain the amount of light they need to survive, so there are small numbers of themThe trees provide shelter and food for a variety of mammals, insects, and birdsAll of the aboveIn autumn, falling leaves provide a source of energy for decomposers such as fungi30sB.11.D: Ecological Succession
- Q4Which statement best describes the differences in species diversity between an ecosystem beginning the process of primary succession and one beginning the process of secondary succession?No differences in species diversity exist because both ecosystems initially lack living organismsSpecies diversity is much greater in the ecosystem undergoing primary succession because that ecosystem is experiencing a longer period with a lack of competition for spaceSpecies diversity is greater in the ecosystem undergoing secondary succession because the soil already contains seeds and spores of various speciesSpecies diversity is much greater in the ecosystem undergoing primary succession because the lack of soil provides a greater area for organisms to claim niches30sB.11.D: Ecological Succession
- Q5As ecosystems move through the stages of succession, the populations of organisms in them change. Which of the following describes the stage of succession likely to have the most species diversity?An agricultural field that has not been plowed for one yearA newly formed volcanic islandA temperate forest that has never been cleared by loggingA field that is regularly mowed30sB.11.D: Ecological Succession
- Q6How do an increase in the organic matter in soil and an increase in soil depth affect the population of plants in an area?Nitrogen-fixing bacteria kill young treesLarger plants become the dominant organismsGrasses become diseasedMosses replace flowering plants30sB.11.D: Ecological Succession
- Q7Hydrothermal vents form deep in the ocean when iron-rich magma is released from openings on the seafloor. These vents spew extremely hot water (400°C) mixed with methane and sulfur. Bacteria that thrive in this hostile environment form the base of a food chain that leads to colonization by tube worms, mussels, and many other life-forms. When a hydrothermal vent becomes inactive and cold, the bacterial community that lives in the hot fluid methane and sulfur dies out. Which organisms most likely succeed the original community in this ecosystem?Giant kelp that use sulfur in photosynthesisCold-tolerant bacteria that feed on sulfur and iron in the ventsOcean mammals that tolerate cold and act as top predators in the food chainFish that do not need oxygen for cellular respiration30sB.11.D: Ecological Succession
- Q8The graph below shows the changes in the number of species in an ecosystem. Which event was most likely the cause of the changes in species diversity in this ecosystem?A migration of locustsA small tornadoA large volcanic eruptionA flash flood30sB.11.D: Ecological Succession
- Q9Surtsey is an island located south of Iceland. The island was formed by a volcanic eruption and first appeared in 1963. The table below contains descriptions of changes in the population and diversity of species on Surtsey. Which of these lists the descriptions in the correct order of ecological succession on Surtsey?I, II, IV, IIIII, IV, I, IIIIV, III, I, IIIII, I, II, IV30sB.11.D: Ecological Succession
- Q10The graph shows the basic changes in a forest community after a disturbance occurred. The information shown in the graph suggests that the changes in the forest community were caused by —decreased species diversitytree-leaf replacement after a stormsuccession after a firerepeated habitat destruction30sB.11.D: Ecological Succession
- Q11A small town in the piney woods of East Texas has a soccer field composed of native grasses. The soccer field is mowed once a week. What effect does continual mowing have on the ecology of the field?Mowing maintains a low species diversity by inhibiting further succession.Mowing causes different types of communities to form across the field.Mowing increases the likelihood of nonnative species displacing native species.Mowing increases the number of species found in the field.60sB.11.D: Ecological Succession
- Q12Enchanted Rock State Natural Area is located in Central Texas. Enchanted Rock is a dome of granite. The area contains four easily identifiable communities. The table describes characteristics of each type of community in the area. A student studying primary succession should focus on which of these communities?Mesquite grasslandGranite rockOpen oak woodlandFloodplain60sB.11.D: Ecological Succession
