Topic Review: Ecology
Quiz by NYSED Living Environment
High School
Living Environment (1996) (old upload)
New York State Learning Standards
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14 questions
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- Q1Sharks are often followed by smaller fish that eat some of the scraps from the organisms eaten by the shark. These smaller fish are acting asproducersdecomposersherbivoresscavengers60s4.6
- Q2Under the supervision of experts, certain areas in a nature preserve are regularly exposed to frequent, low-intensity fires. These controlled fires maintain specific populations of plants by directlystopping the process of evolutionincreasing the consumption of fi nite resourcesdecreasing the carbon dioxide level in the atmosphereinterfering with the process of ecological succession60s4.6
- Q3A stable ecosystem can have high biodiversity because each species in that ecosysteminhabits a different environmentis part of a different communityoccupies a different nichelives in a different biosphere60s4.6
- Q4Stability within an ecosystem is achieved partially by the presence of organisms that break down important molecules and make them available for other organisms to use. These organisms areherbivoresscavengersplantsdecomposers60s4.6
- Q5This sequence of rock layers best illustrates the concept thatnew inheritable characteristics can result from the recombining of genesthe living and nonliving environment both change over timeliving organisms have the capacity to produce populations of unlimited sizeit is important to preserve the diversity of species and habitats60s4.6
- Q6In the pyramid, the arrows labeled X representa decrease in available oxygenthe loss of organisms due to predationa decrease in photosynthetic organismsthe loss of energy in the form of heat60s4.6
- Q7The graph can best be used to illustratenatural selectioncarrying capacityecological successiona food chain60s4.6
- Q8If the grass in the front yard of an abandoned house is not cut for several years, the yard may become overgrown with taller grasses, bushes, and shrubs. This is an example of the process ofecological successionhomeostasisdirect harvestingevolution60s4.6
- Q9Recently, oil from a wrecked tanker resulted in a disaster in ecosystems containing many unique species. The potential loss of these species could result inan increase in the variety of genetic material availablean increase in the stability of the affected ecosystemsa decrease in pollution affecting the land and watera decrease in organisms available for scientific research60s4.6
- Q10Which process occurs at each link in a food chain?Atoms cycle among living organisms, producing energy.Chemical energy is recycled.Some energy is released into the environment as heat.All the energy is stored in a newly made structure.60s4.6
- Q11Mistletoe is a plant that lives on the branches of trees. The mistletoe plant sends its roots in through the bark of trees and takes away water and minerals that the tree needs. In this situation, the mistletoe plant isa predatoran autotropha parasitea decomposer60s4.6
- Q12A rich variety of genetic material in an ecosystem willreduce the biodiversity of the ecosystemincrease the chances that some organisms will survive changereduce the likelihood of future medical discoveriesdecrease the carrying capacity of the ecosystem60s4.6
- Q13Which statement best explains why this does not happen?Environmental factors keep the population in check.Mutations develop in the young flies.More female flies survive than male flies.Flies continue to reproduce in large numbers60s4.6
- Q14The two most likely factors contributing to the decline in the number of these 115 sparrows during year 1 werelack of predators and an expanding habitatlack of mating and loss of nesting sitesfavorable climate and a rapid reproduction ratedisease and predation60s4.6
