Ducks Unlimited Final Exam Practice Questions & 100% Correct Answers

Ducks Unlimited Final Exam Practice Questions & 100% Correct Answers-In what year was the Clean Water and Air Act created? - 1948 What does NOT influence an organism's niche/survival? - Commensalism- one benefits and the other derives neither benefit nor harm According to the presentation, ecosystem management was broadened by the establishment of which of the following in 1978? - Conservation Biology Which of is known to cause primary succession? - Glacier Movement What are positive ecological interactions between organisms. - Commensalism and Mutualism What conducts nitrogen fixation? - Peanuts, Algae and Nitrogen- fixing bacteria. Humans DO NOT conduct nitrogen fixation. Which of the following best describes respiration? - Intake of oxygen to convert glucose to energy Where is the phosphorus cycle primarily conducted? - In soil and plants Which of the following is NOT a category of wetland biome? - Tropical How would you best describe a pioneer species? - The first species to colonize an area in primary succession What can influence an organism's niche/survival? - Competition, Mutualism and Parasitism. What is mutualism? - symbiosis that is beneficial to both organisms involved. What is parasitism? - One organism benefits and the other is harmed What is primary succession? - Succession that begins in an area with no remnants of an older community. The first to find habitat in an area. What wetlands is dominated by emergent vegetation? - Marshes A large plot of land in a grassland ecosystem was converted for agriculture. After four decades of agricultural use the land was abandoned and began to revert to its original grassland state. This is an example of which of the following? - Secondary succession In what year was the Federal Water Pollution Control Act established? - 1948 Denitrification is an essential step in which of the following cycles? - Nitrogen