Sophia_Environmental_Science_Milestone_2, 100% CORRECT

Which of the following is a strategy associated with conservation biology? • Designating a nature reserve to protect an endangered wildcat species. • Re-establishing a native species of pine tree in an area used previously by loggers. • Exploring the interdependence of species within ecosystems on a global scale. • Monitoring and evaluating groundwater quality in a formerly contaminated site. CONCEPT Conservation Biology & Restoration Ecology 2 Which of the following is a non-renewable resource? • Wind • Wood • Biomass • Petroleum CONCEPT Natural Resources 3 Which statement is NOT true about energy and trophic levels within a food web? • Most of the energy between trophic levels is lost in the form of metabolic heat. • Secondary production introduces only 1% of new energy to the food chain. • The rate at which energy accumulates in plants depends on temperature, sun and water. • About 90% of the energy available at one trophic level does not transfer to the next. CONCEPT Food Chains and Food Webs 4 Which of the following is NOT an example of overexploitation? • Little more than one thousand bison existed in North America by the 1880s. • Fur processing in Canada is carefully regulated to protect both the animals and the environment. • 90 species of Asian turtles are collected in Singapore and Cambodia for Chinese restaurants. • Slow-growing medicinal plants are harvested before they have a chance to reproduce. CONCEPT Overexploitation 5 Population ecologists study which of the following characteristics? • Temperature regulation, nutrition and metabolism of organisms. • Number, density, age, and sex of organisms. • Atmosphere, rocks, water and living organisms. • Composition, distribution and interaction of species in a given area. CONCEPT Ecology 6 Choose the true statement about the nitrogen cycle. • Bacteria take nitrogen from the atmosphere and convert it into sugars. • Nitrogen makes up about 22% of the atmosphere's composition. • Animals release nitrogen through urination and by dying. • Nitrogen is contained in the leaves of plants such as peanuts, soybeans and clover. CONCEPT Water and Nitrogen Cycles 7 Choose the statement about the impact of an invasive species that is NOT true. • Invasive species can take over forests or croplands. • Humans can be exposed to unknown pathogens. • Native species can be displaced or killed. • The health of an ecosystem often improves. CONCEPT Native and Non-Native Species 8 Which list correctly orders the examples of organism, population, community and ecosystem? • Tundra, moss, reindeer that eat moss, rocks and ice • Deer, herd of deer, deer and trees in forest, rocks and ponds around the forest • Tadpole, pond, frog, fish and insects in the pond • Elephant herd, grasslands, lions in the grasslands, river and trees CONCEPT Ecology 9 Moss and lichen begin to grow on land revealed by glacial retreat. Over a period of years, these plants are replaced by shrubs and then by taller shrubs. The ecological process that is occurring is called __________. • species interaction • primary succession • ecosystem management • secondary succession CONCEPT Community Ecology 10 “Rain, snow, wind and temperature all pertain to what we call ‘weather,’” the teacher said. “Climate is the weather in a location over many years. Now, who can tell me what determines the climate in a certain area?” Several students offered answers. Choose the correct answer. • Shane: “The composition of gases in the atmosphere.” • Andrea: “The air and land temperatures.” • Judith: “The amount of precipitation that falls.” • Carl: “The area’s physical features.” CONCEPT Earth's Features 11 Which statement accurately describes the