Ducks Unlimited Test Bank

Ducks Unlimited Test Bank Which of the following best describes a pioneer species? - ANS The first species to colonize an area in primary succession Which of the following best describes respiration? - ANS Intake of oxygen to convert glucose to energy Which of the following does NOT conduct nitrogen fixation? - ANS Humans Where is the phosphorus cycle primarily conducted? - ANS In soil and plants Which of the following is NOT a category of wetland biome? - ANS Tropical In what year was the Clean Water and Air Act created? - ANS 1948 Which of the following does Not influence an organism's niche? - ANS Commensalism According to the presentation, ecosystem management was broadened by the establishment of which of the following in 1978? - ANS Conservation Biology Which of the following is known to cause primary succession? - ANS Glacier movement Select the positive ecological interactions between organisms - ANS Commensalism Mutualism Samantha is developing a management plan for an area suffering a significant reduction of grasses and plants which directly affects the viability of an endangered species. Her plan involves an increase of primary producers to support long-term ecological balance and to eliminate the requirement of human influence. Which of the following best represents this management plan? - ANS Sustainability A volcano has erupted and has now cooled off to leave bare rock. Over time, lichens have colonized on the rock, breaking it down and creating soil. Soil allowed grasses and flowering plants to grow. In this example, which of these was most likely the pioneer species? - ANS Lichens Nutrient flow is the natural process which provides for the cycling of chemicals between biotic and abiotic factors including water, oxygen, carbon, nitrogen and phosphorus. - ANS True Which of the following is true about chlorophyll? - ANS Is required in order to perform photosynthesis Grasslands are dominated by grasses and several species of forbs. Which of the following best describes a forb? - ANS Broadleaf plants and lower shrub vegetation Which of the following is true regarding the ability for grasslands to sequester carbon from the atmosphere? - ANS Grasslands recover quickly from drought or fire, allowing them to return to carbon sequestering far earlier than other biomes