AICE Marine Science Semester 1 Exam with Questions and Answers

AICE Marine Science Semester 1 Exam with Questions and Answers Increased atmospheric pressure cause gases to become _______ soluble ANSWER More Increased salinity causes gases to become _______ soluble ANSWER Less What are two main reasons for changes in oxygen concentration on the surface? ANSWER 1. Photosynthesis 2. Mixing due to turbulence and wave action What are some adaptations organisms made to survive with limited oxygen? ANSWER - They are inactive waiting for marine snow to fall not using much energy. - Their gills are efficient at extracting oxygen from the ocean. - Many of the organisms have a specially adapted form of hemoglobin As water temperature increases, density ______ ANSWER Decreases As water pressure increases, density _______ ANSWER Increases As salinity increases, density _______ ANSWER Increases