15. Anaclear power plant clinthis an thermal pollution into a nearby water supply. How will this affect the water quality in this area? in the water will decrease b. the dissolved oxygen in the water will decrease C. the pH of the water will increase d. the pHof the water will decrease 16. What type of pollution includes POPs? a. biological pollution b.nutrient pollution c chemical pollution d. sediment pollution 17. Which trophic level would be most susceptible to biomagnification of POPs? a. producers b.promary consumers C. secondary consumers d. tertiary consumers 18. Which of the following is NOT a possible result of microplastic pollution in an aquatic ecosystem mich conganisms get less nutrition b. The organisms get lesson in the plastic pollution C. The organisms get endocrine disorders d. The organisms may have offspring with birth defects 19. The anoxic solls in wetlands allow them to be __ sinks. a. carbon b. nitrogen C. photosynthetic d. mitigation 20. The uppermost layer of an aquatic ecosystem where enough sunlight penetrates for photosynthesis is called the a. Photic zone b. Benthic zone c Aphotic zone d. Eutrophic zone 21. Which of the following are the main producers of marine ecosystems? a. Plants b. phy toplankton C. Bacteria

Question

15. Anaclear power plant clinthis an thermal pollution into a nearby water supply. How will this affect the water quality in this area? in the water will decrease b. the dissolved oxygen in the water will decrease C. the pH of the water will increase d. the pHof the water will decrease 16. What type of pollution includes POPs? a. biological pollution b.nutrient pollution c chemical pollution d. sediment pollution 17. Which trophic level would be most susceptible to biomagnification of POPs? a. producers b.promary consumers C. secondary consumers d. tertiary consumers 18. Which of the following is NOT a possible result of microplastic pollution in an aquatic ecosystem mich conganisms get less nutrition b. The organisms get lesson in the plastic pollution C. The organisms get endocrine disorders d. The organisms may have offspring with birth defects 19. The anoxic solls in wetlands allow them to be __ sinks. a. carbon b. nitrogen C. photosynthetic d. mitigation 20. The uppermost layer of an aquatic ecosystem where enough sunlight penetrates for photosynthesis is called the a. Photic zone b. Benthic zone c Aphotic zone d. Eutrophic zone 21. Which of the following are the main producers of marine ecosystems? a. Plants b. phy toplankton C. Bacteria

Answer 1

15. B16. C17. D18. B19. A20. A21. B

Answer 2

## Step1For question 15, thermal pollution from power plants can decrease the dissolved oxygen in the water, which can harm aquatic life.## Step2For question 16, POPs (Persistent Organic Pollutants) are a type of chemical pollution.## Step3For question 17, biomagnification of POPs is most likely to affect tertiary consumers, as they are at the top of the food chain and accumulate the highest concentrations of these pollutants.## Step4For question 18, microplastic pollution in an aquatic ecosystem can lead to a variety of negative effects, but the organisms do not become less polluted.## Step5For question 19, anoxic soils in wetlands allow them to be carbon sinks, as they can store large amounts of carbon.## Step6For question 20, the uppermost layer of an aquatic ecosystem where enough sunlight penetrates for photosynthesis is called the Photic zone.## Step7For question 21, the main producers of marine ecosystems are phytoplankton, as they are capable of photosynthesis and produce oxygen.

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