MIDTERM EXAM in Environmental Science
  • 1. What is an organism that gets its food through eating other sources?
A) Producer
B) Decomposer
C) Consumer
D) Autotroph
  • 2. Which of the following is NOT a part of the scientific method?
A) Conclusion
B) Guessing
C) Hypothesis
D) Question
  • 3. Mandates the restoration and maintenance of the chemical, physical, and biological integrity of the nation's waters
A) Resource Conservation Recovery Act
B) Clean Air Act
C) Safe Drinking Water Act
D) Clean Water Act
  • 4. the place where an organism lives.
A) natural environment
B) built environment
C) Man-made environment
D) Habitat
  • 5. Coal, gasoline and oil are ___ resources
A) renewable
B) nonrenewable
C) semirenewable
D) unrenewable
  • 6. Which of the following organisms would be considered a producer?
A) wild cat
B) green plant
C) rabbit
D) jackal
  • 7. When people are able to use a resource in a way that keeps it available for future generations to use the same way, they are practicing:
A) Ecology
B) Ecological precautions
C) Sustainability
D) Environmental Science
  • 8. All the members of a species living in the same area at the same time is called a _________.
A) population
B) community
C) species
D) ecosystem
  • 9. ___% of energy is passed on to the next level in the food chain/pyramid?1
A) 50%
B) 20%
C) 10%
D) 90%
  • 10. The Biotic factors of an ecosystem include _____.
A) Plants and animals that are reproducing
B) Things that are living, moving and growing
C) Microorganisms
D) All of these
  • 11. Which describes an "Endangered Species"
A) None of these
B) There are no more living members of the species
C) Species are low in numbers and likely to become endangered
D) Species has low numbers and are likely to become extinct
  • 12. Deforestation is _____.
A) the temporary clearing and subtraction of trees intentionally, naturally or inadvertently
B) the permanent clearing and subtraction of trees intentionally and naturally
C) the permanent clearing and subtraction of trees intentionally, naturally or inadvertently
  • 13. The abiotic factors of an ecosystem include_____.
A) All of these
B) Water and nutrients
C) Nonliving Things
D) Rocks and minerals
  • 14. Statement A: Pollution Control Law provides permitting requirements.

    Statement B: Pollution Control Law provides air and water standard but denies penalty provision.
A) Statement A is TRUE, while statement B is TRUE
B) Statement A is FALSE, while statement B is TRUE
C) Statement A is FALSE, while statement B is FALSE
D) Statement A is TRUE, while statement B is FALSE
  • 15. It is the policy and program governing the soil quality management and proper solid waste disposal in the Philippines.
A) RA 6969
B) RA 9003
C) RA 8749
D) RA 9275
  • 16. What is the general term used to describe the interaction between two different organisms that are living in close physical association?
A) habitat
B) photosynthesis
C) omnivore
D) symbiosis
  • 17. The animal in an ecological relationship that results in another animal being hunted, killed, and eaten…
A) producer
B) predator
C) autotroph
D) herbivore
  • 18. An ecological symbiotic relationship between two organisms where one benefits and the other is harmed…
A) parasitism
B) carnivore
C) commensalism
D) mutualism
  • 19. What you would call an ecological symbiotic relationship between two organisms where one benefits, but the other is not helped or harmed?
A) commensalism
B) mutualsim
C) parasitism
D) predator
  • 20. When two or more organisms rely on the same environmental resource.
A) competiton
B) mutualism
C) predation
D) parasitism
  • 21. succession that occurs in an area with no soil
A) pioneer species
B) secondary succession
C) ecological succession
D) primary succession
  • 22. a stable ecological community that has reached equilibrium
A) ecological succession
B) climax community
C) secondary succession
D) pioneer species
  • 23. succession that occurs in an area where soil is already present
A) primary succession
B) secondary succession
C) ecological succession
D) pioneer species
  • 24. the first organisms that appear in an ecological community
A) ecological succession
B) secondary succession
C) pioneer species
D) primary succession
  • 25. How do lichens contribute to primary succession?
A) Lichens begin to break down rock to form soil
B) Lichens are nitrogen fixing bacteria 9. Multiple-choice Edit
C) How do lichens contribute to primary succession?
  • 26. Sustainability is defined as…
A) Rapidly increasing resource consumption over time.
B) Consuming at a rate to satisfy the current generation.
C) Not consuming any resources at all.
D) Maintaining a rate of resource consumption that will allow the population to survive indefinitely.
  • 27. Environmental science is the study of the interaction of humans with the environment. Which of these would NOT be included as part of the environment?
A) Animals and plants in the region and surrounding areas.
B) The average temperature, wind, precipitation, and other climate factors.
C) All of these would be considered part of the environment.
D) What the soil is made of.
  • 28. Environmental science is an interdisciplinary field of study. This means that…
A) Multiple branches of science only (biology, chemistry, etc) are covered.
B) Each environmental issue is specific to only one type of science.
C) Many science and non-science fields of study, such as economics and politics, are included.
D) It is limited to only one branch of science; ecology.
  • 29. Trophic levels are represented by
A) lines
B) pyramids
C) circles
D) squares
  • 30. The arrows in a food chain or web represents what?
A) They show what direction the energy is flowing between organisms.
B) They point to the organism that is being eaten.
C) They represent how water is transferred within a habitat.
D) It shows how sunlight flows within an ecosystem.
  • 31. An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.
A) producer
B) consumer
C) autotroph
D) decomposer
  • 32. What is a Food Chain?
A) The transfer of energy from organism to organism.
B) The death of wild animals.
C) The reduction of energy from organism to organism.
D) The hunting of animals.
  • 33. What is a food web?
A) A group of wild animals.
B) Multiple food chains linked together.
C) A group of dead animals.
D) Multiple organisms linked together.
  • 34. What is the ultimate source of energy for all food webs?
A) The primary producer.
B) The sun.
C) The primary consumer.
D) The apex predator.
  • 35. The science of classification of living organism is called ____.
A) Taxonomy
B) Biology
C) Entomology
D) Morphology
  • 36. Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species make up __________?
A) Levels of Classification
B) Scientific Name
C) 6 Kingdoms
D) Dichotomous Key
  • 37. Fungi, such as mushrooms and molds, get their nutrition primarily by −
A) parasitic relationships with plants
B) preying on other organisms
C) decomposing dead organic matter
D) producing food by chemosynthesis
  • 38. A system of organisms interacting with one another. Includes all living and non-living things in an environment.
A) Environment
B) Species
C) community
D) Ecosystem
  • 39. Which shows the correct flow of energy through this simple food chain?
A) grass → rabbit → fox
B) grass → rabbit → fox
C) rabbit → grass → fox
D) fox → grass → rabbit
  • 40. A(n) ________ shows the amount of energy that moves from one feeding level to another.
A) Ecosystem
B) Food Chain
C) Energy Pyramid
D) Food Web
  • 41. What kingdom are humans a part of?
A) Animal kingdom
B) Human kingdom
C) Plant kingdom
D) Protist kingdom
  • 42. What is a system of several overlapping food chains called?
A) Food chain
B) Consumer web
C) Food web
D) Energy pyramid
  • 43. Which is an example of an organism?
A) a shell
B) a rock
C) a lake
D) a beetle
  • 44. Which is the definition of a community
A) multiple organisms of the same species
B) all the living and nonliving things in an area
C) a living thing
D) multiple organisms of different species
  • 45. The smallest unit of life that can sustain itself is called...
A) a population.
B) the biosphere.
C) a community.
D) an organism.
  • 46. The practice of saving the Earth's resources and using them wisely.
A) conservation
B) renewable
C) recyclable
D) protection
  • 47. To use over and over again
A) recyclable
B) renewable
C) inexhaustible
D) nonrenewable
  • 48. A family wants to use a renewable source of energy for heat in the winter. The family lives on a ranch in a windy area with very few hours of sunlight in the winter and a lot of sunlight in the summer. Identify which energy source would work best for the family.
A) Coal
B) Sunlight
C) Wind
D) Oil
  • 49. What cause the depletion of natural resources?
A) Natural resources kept under the ground
B) Natural resources can not be used directly
C) Human did not use them
D) Human population grows
  • 50. What can we do to conserve beach area?
A) Visitor must plant tree
B) Ban visitor
C) Plant tall trees
D) Plant mangrove trees
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