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If a marine fish is placed in afresh water aquarium,will the fish able to survive?Why or why not?
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- Will a fish replaced from a freshwater source to an aquarium with sea water be able to survive?Give reasons,If a fresh water fish is placed in an aquarium containing sea water,will the fish be able to survive?Explain giving reasons.Why is evaporation important for many intertidal animals? In which intertidal animals is evaporation important?
- What is it called when organisms feed by food that has settled into the sediment? Give an example of an organisms like this mentioned in the text.Give an example for:(a) An endothermic animal(b) An ectothermic animal(c) An organism of benthic zoneIn which animals is water loss, in the short run, a passive process? What is the evidence for your answer to the previous question? In which animals is water loss, in the short run, not a passive process?
- Which of the following does not vary predictably with the depth ofthe aquatic environment?a. dissolved oxygen b. temperature c. penetration by sunlight d. salinityAn earthworm prefers moist soil. Why does this animal die if it driesout on a sidewalk?The diagram shown here illustrates a typical marine food web that can be contaminated with mercury. Based on this food web, which organism would you predict to have the Highest level of mercury? Why? Which fish would be the safest for you to eat in regards to mercury poisoning? Why?
- Which of the following does not vary predictably with the depth of the aquatic environment? a. dissolved oxygen c. penetration by sunlight b. temperature d. salinityUsing the diagram of a food pyramid for reference, estimate the following: a. How many kilograms of plankton does it take to produce 25 kilograms of invertebrates? _____ kilograms of plankton b. How many kilograms of invertebrates does it take to produce 5 kilograms of fish? _____ kilograms of invertebratesDo you think cleaning plastic from the gyre is worth the risk to marine life? How do you collect small floating trash without collecting small floating organisms?