WMAN 200 EXAM 1 COMPLETE QUESTIONS WITH 100% CORRECT ANSWERS

WMAN 200 EXAM 1 COMPLETE QUESTIONS WITH 100% CORRECT ANSWERS Q.What is restoration ecology? - ANSWER-This process involves management practices that jumpstarts the recovery of an ecosystem with respect to its health, integrity, and sustainability. Q.Name 3 natural and 3 human disturbances to ecosystems - ANSWER-Natural: floods, hurricanes, and/or wildfires. Human: buldings, roadways, and timber harvesting. Q.What may also be required for restoration of severely damaged ecosystems? - ANSWER-Removal of invasive species and/or reintroduction of native species. Q.How did Gifford Pinchot initiate the forestry profession in the United States? - ANSWER-No forestry classes were offered at any university within the United States so he took his education to Nancy, France. He then started applying what he learned overseas to his new job over in the US, then began to associate with the National Forest Commission. Q.What makes a habitat? a population? a community? - ANSWER-Habitat: is the place where a particular species lives and grows. A habitat includes both abiotic and biotic conditions that influence a species population. A population is a group of organisms of a given species living in a given geographic area. A community includes the group of plant or animal species which cohabit within a given geographic area. Members of a community can interact with each other in a variety of ways. Q.Mutualism - - ANSWER-an interaction between two species that is beneficial to both. Q.Predation - - ANSWER-an interaction between two species that is beneficial to one but results in death for the other individual. Q.Parasitism - - ANSWER-an interaction between two species that is beneficial to the parasite but generally does not result in death for the other species. Q.Biomass - - ANSWER-is the total living matter in a given place. The amount of biomass can be compared between steps on a food web and between ecosystems. Q.Flagship species - ANSWER-is a species chosen by society to represent a particular environmental cause, such as the conservation of a particular ecosystem (e.g. old growth forest). Q.The number of organisms that can be supported by an ecosystem is called - ANSWER-Carrying Capacity Q.Name 3 nutrients that are essential for plant growth and can be extracted from both the atmosphere and water: - ANSWER-Oxygen, Carbon, & Hydrogren Q.Two main types of intraspecific relations - ANSWER-Cooperation, competition Q.Species that serve as surrogates for the condition of environment are called: - ANSWER-Indicator species Q.Carbon is released back into the atmosphere as a product of cellular respiration when __________ is (are) broken down to produce energy - ANSWER-Carbohydrates Q.All of the following are considered heterotrophs except for? - ANSWER-White Oak Q.A(n) ________________ species is a dominant primary producer in an ecosystem both in terms of abundance and influence. - ANSWER-Foundation Species Q.Which of the following are intraspecific relations? - ANSWER-Cooperation and competition Q.The best way to identify keystone species would be________ experiments whereby the candidate keystone species are removed and the responses of a redefined assemblage of species are monitored. - ANSWER-Perturbation Q.Which of the following are hallmarks of the keystone species concept? - ANSWER-These species are crucial in maintaining the organization and diversity of their ecological communities and these species are exceptional, relative to the rest of the community, in their importance Q.A sea otter is an example of a(n) ____________________, or a species that has a disproportionate effect on its environment - ANSWER-Keystone species Q.A ___________ is a place where particular species live and grow. - ANSWER-Habitat