WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
5th Edition
ISBN: 9781319272531
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 2, Problem 10MC
Summary Introduction
Introduction:
The concentration of H+ increases in ocean waters during acidification.
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Which of the following does not vary predictably with the depth ofthe aquatic environment?a. dissolved oxygen
b. temperature
c. penetration by sunlight
d. salinity
1. What causes ocean warming and acidification?
It is caused mainly by carbon dioxide and many marine organisms that produce carbonate
shells
2. Why are human activities that release carbon dioxide into the atmosphere causing
concern?
Type answer here.
3. How does the water chemistry charlge as carbon dioxide gas is dissolved in the
ocean?
Type answer here.
4. What will happen if man continues to release carbon dioxide into the atmosphere?
Type answer here.
5. What are two economic risks of ocean acidification?
Type answer here.
6. According to the author, what two things will ocean scientists in the future need to
understand?
Type answer here.
The majority of water found on Earth is: a. ice b. water vapor c. fresh water d. salt water
Chapter 2 Solutions
WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
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- Solution A has a more negative water potential than solution B. Which of the following statements is/are 1 correct? Statement 1: Solution B has a higher wa potential than solution A Statement 2: There would be a net movement of water from solution A to solution B Statement 3: There would be a net movement of water from solution A to distilled water A 1,2 and 3 are correct B Only 1 and 2 are correct C Only 2 and 3 are correct D Only 1is correct Membarrow_forwardThese are natural sources of air pollution responsible for as much as two-thirds of the methane in the air. a. Volcanoes b. Bacterial metabolism of decaying organism c. Pollen and Spores d. Storms Which of the following BEST describes water? a. Water is composed of 2 atoms of Oxygen and 1 atom of Hydrogen. b. Water is odorless, clear and has a sour taste. c. Water is liquid at 0 degree Celsius. d. Water is the most abundant compound in the Earth's surface.arrow_forwardImagine you are testing water samples from a local pond for pollutants. Your lab instructor sees the results of your dissolved oxygen test and remarks that your water sample has the same dissolved oxygen level as water found near the seafloor of a dead zone. What is the dissolved oxygen level of this water sample? 650-700 ppm 350-360 ppm 80-90 ppm 7-9 ppm 2-3 ppmarrow_forward
- 1.List three “special” characteristics of water that influence living organisms. Then for one of these characteristics explain how it influences aquatic life on earth 2.In hydrological terms what are recharge and residence time? b) What happens if pumping rate from aquifers exceeds recharge rate 3.The attenuation of light in water is dependent on the extinction coefficient (eλ) summed for all wavelengths.What factors contribute to or determine this extinction coefficient?arrow_forwardOcean acidification causing fish and other biota in the sea die or contaminated by carbon dioxide, which might impact marine organisms that as the seafood consumed by humans. Elaborate the impact of ocean acidification on Malaysian health those choose to eat seafoodarrow_forwardIn your travels around the Chesapeake Bay region, you have noticed that pink comb jellies (Beroe ovata) do not seem to be distributed evenly throughout the Bay. You suspect that this is because of environmental factors such as salinity, temperature, or the amount of oxygen dissolved in the water. You decide to pick one of these to test. Research question: Does salinity affect the distribution of pink comb jellies (Beroe ovata) in the Chesapeake Bay? After doing a little research in the literature, you discover that a common jellyfish (Aurelia aurita) prefers to live in higher salinity waters. (Comb jellies and jellyfish are not closely related, but since they are similar in structure, you hypothesize that they will react similarly to changes in salinity. a) Use this data, and sketch a graph by hand that would best fit the data. (think which type of graph would allow standard deviation to be included) b) Write an appropriate caption for your graph.arrow_forward
- Ocean acidification-the ongoing decrease in the pH of the Earth's oceans-is a consequence of: O climate change and its effects on sea surface temperatures () coral reef mortality and the resulting loss of buffering capacity Unutrient loading in estuaries, causing hypoxia and the formation of dead zones Oincreasing amounts of atmospheric carbon dioxide dissolving in oceans acid rainarrow_forwardExplain what would happen if: There is excessive growth of algae in a waterbody.arrow_forwardDescribe how density of the water column changes with depth in BOTH a stable and an unstable water column.arrow_forward
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