MIDTERM EXAM in Environmental Science
  • 1. What is an organism that gets its food through eating other sources?
A) Autotroph
B) Consumer
C) Decomposer
D) Producer
  • 2. Which of the following is NOT a part of the scientific method?
A) Conclusion
B) Question
C) Hypothesis
D) Guessing
  • 3. Mandates the restoration and maintenance of the chemical, physical, and biological integrity of the nation's waters
A) Clean Air Act
B) Resource Conservation Recovery Act
C) Clean Water Act
D) Safe Drinking Water Act
  • 4. the place where an organism lives.
A) Man-made environment
B) Habitat
C) natural environment
D) built environment
  • 5. Coal, gasoline and oil are ___ resources
A) unrenewable
B) nonrenewable
C) semirenewable
D) renewable
  • 6. Which of the following organisms would be considered a producer?
A) jackal
B) wild cat
C) green plant
D) rabbit
  • 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) Environmental Science
B) Sustainability
C) Ecological precautions
D) Ecology
  • 8. All the members of a species living in the same area at the same time is called a _________.
A) population
B) community
C) ecosystem
D) species
  • 9. ___% of energy is passed on to the next level in the food chain/pyramid?1
A) 90%
B) 10%
C) 50%
D) 20%
  • 10. The Biotic factors of an ecosystem include _____.
A) All of these
B) Microorganisms
C) Plants and animals that are reproducing
D) Things that are living, moving and growing
  • 11. Which describes an "Endangered Species"
A) Species are low in numbers and likely to become endangered
B) Species has low numbers and are likely to become extinct
C) None of these
D) There are no more living members of the species
  • 12. Deforestation is _____.
A) the permanent clearing and subtraction of trees intentionally and naturally
B) the temporary clearing and subtraction of trees intentionally, naturally or inadvertently
C) the permanent clearing and subtraction of trees intentionally, naturally or inadvertently
  • 13. The abiotic factors of an ecosystem include_____.
A) Nonliving Things
B) Rocks and minerals
C) Water and nutrients
D) All of these
  • 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 FALSE
B) Statement A is FALSE, while statement B is FALSE
C) Statement A is TRUE, while statement B is TRUE
D) Statement A is FALSE, while statement B is TRUE
  • 15. It is the policy and program governing the soil quality management and proper solid waste disposal in the Philippines.
A) RA 9003
B) RA 9275
C) RA 6969
D) RA 8749
  • 16. What is the general term used to describe the interaction between two different organisms that are living in close physical association?
A) photosynthesis
B) habitat
C) omnivore
D) symbiosis
  • 17. The animal in an ecological relationship that results in another animal being hunted, killed, and eaten…
A) autotroph
B) predator
C) producer
D) herbivore
  • 18. An ecological symbiotic relationship between two organisms where one benefits and the other is harmed…
A) commensalism
B) carnivore
C) mutualism
D) parasitism
  • 19. What you would call an ecological symbiotic relationship between two organisms where one benefits, but the other is not helped or harmed?
A) predator
B) mutualsim
C) parasitism
D) commensalism
  • 20. When two or more organisms rely on the same environmental resource.
A) competiton
B) mutualism
C) parasitism
D) predation
  • 21. succession that occurs in an area with no soil
A) pioneer species
B) ecological succession
C) primary succession
D) secondary succession
  • 22. a stable ecological community that has reached equilibrium
A) ecological succession
B) secondary succession
C) pioneer species
D) climax community
  • 23. succession that occurs in an area where soil is already present
A) primary succession
B) ecological succession
C) secondary succession
D) pioneer species
  • 24. the first organisms that appear in an ecological community
A) ecological succession
B) primary succession
C) secondary succession
D) pioneer species
  • 25. How do lichens contribute to primary succession?
A) How do lichens contribute to primary succession?
B) Lichens are nitrogen fixing bacteria 9. Multiple-choice Edit
C) Lichens begin to break down rock to form soil
  • 26. Sustainability is defined as…
A) Not consuming any resources at all.
B) Consuming at a rate to satisfy the current generation.
C) Maintaining a rate of resource consumption that will allow the population to survive indefinitely.
D) Rapidly increasing resource consumption over time.
  • 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) All of these would be considered part of the environment.
B) The average temperature, wind, precipitation, and other climate factors.
C) What the soil is made of.
D) Animals and plants in the region and surrounding areas.
  • 28. Environmental science is an interdisciplinary field of study. This means that…
A) Each environmental issue is specific to only one type of science.
B) Multiple branches of science only (biology, chemistry, etc) are covered.
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) pyramids
B) squares
C) circles
D) lines
  • 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) consumer
B) autotroph
C) decomposer
D) producer
  • 32. What is a Food Chain?
A) The reduction of energy from organism to organism.
B) The transfer of energy from organism to organism.
C) The hunting of animals.
D) The death of wild animals.
  • 33. What is a food web?
A) Multiple organisms linked together.
B) A group of dead animals.
C) Multiple food chains linked together.
D) A group of wild animals.
  • 34. What is the ultimate source of energy for all food webs?
A) The apex predator.
B) The primary consumer.
C) The sun.
D) The primary producer.
  • 35. The science of classification of living organism is called ____.
A) Biology
B) Morphology
C) Entomology
D) Taxonomy
  • 36. Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species make up __________?
A) Levels of Classification
B) Dichotomous Key
C) 6 Kingdoms
D) Scientific Name
  • 37. Fungi, such as mushrooms and molds, get their nutrition primarily by −
A) preying on other organisms
B) producing food by chemosynthesis
C) parasitic relationships with plants
D) decomposing dead organic matter
  • 38. A system of organisms interacting with one another. Includes all living and non-living things in an environment.
A) Ecosystem
B) Species
C) community
D) Environment
  • 39. Which shows the correct flow of energy through this simple food chain?
A) grass → rabbit → fox
B) rabbit → grass → fox
C) fox → grass → rabbit
D) grass → rabbit → fox
  • 40. A(n) ________ shows the amount of energy that moves from one feeding level to another.
A) Food Chain
B) Energy Pyramid
C) Ecosystem
D) Food Web
  • 41. What kingdom are humans a part of?
A) Protist kingdom
B) Human kingdom
C) Plant kingdom
D) Animal kingdom
  • 42. What is a system of several overlapping food chains called?
A) Consumer web
B) Food web
C) Energy pyramid
D) Food chain
  • 43. Which is an example of an organism?
A) a beetle
B) a lake
C) a shell
D) a rock
  • 44. Which is the definition of a community
A) multiple organisms of the same species
B) multiple organisms of different species
C) all the living and nonliving things in an area
D) a living thing
  • 45. The smallest unit of life that can sustain itself is called...
A) a population.
B) an organism.
C) a community.
D) the biosphere.
  • 46. The practice of saving the Earth's resources and using them wisely.
A) renewable
B) protection
C) conservation
D) recyclable
  • 47. To use over and over again
A) nonrenewable
B) renewable
C) recyclable
D) inexhaustible
  • 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) Sunlight
B) Oil
C) Wind
D) Coal
  • 49. What cause the depletion of natural resources?
A) Human did not use them
B) Human population grows
C) Natural resources can not be used directly
D) Natural resources kept under the ground
  • 50. What can we do to conserve beach area?
A) Visitor must plant tree
B) Plant tall trees
C) Plant mangrove trees
D) Ban visitor
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