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- Describe how a deficiency in Vitamin C could result in fish skeletal deformities
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- Outline how excessive carbohydrates could result in a physiological imbalance in fish.A shark can stay in water at a desired level without swimming or moving its fins. Give reason.Briefly Explain how improving the diagnosis of diseases in fishes and making availability of vertorinary medicine for treatment can help in the improvement of aquaculture production
- Explain the biological aspects of fish that give them advantages over other agricultural animals.Discuss how Vitamin A could cause eye problems in fishAs human activities put more and more carbon dioxide (CO2) into the air, the ocean takes up more CO2 and becomes increasingly acidic. Increased ocean acidity makes it more difficult for marine animals to produce their calcium-rich hard parts. List three types of invertebrates that are likely to be adversely affected by an increase in ocean acidity.
- Increased acidity makes it more difficult for invertebrates to build structures that contain calcium carbonate. List the types of invertebrates that will be harmed by ongoing ocean acidification.Barnacles are crustaceans that live in the ocean. Barnacle larvae are motile and secrete a sticky substance that allows them to attach to a suitable substrate. As they mature into sedentary adults, they secrete layers of calcium carbonate that serve as a protective covering. Some barnacles have been known to attach to the sides of whales. This benefits the barnacles in that they are constantly transported to locations with new sources of food. The whales neither benefit nor are harmed by the presence of barnacles. Barnacles follow r selection strategies. The calcium carbonate covering that protects barnacles is an adaptation that probably evolved as a result of what type of pressure? a) Density independent b) Predation c) Biotic d) Facultative symbiosisBarnacles are crustaceans that live in the ocean. Barnacle larvae are motile and secrete a sticky substance that allows them to attach to a suitable substrate. As they mature into sedentary adults, they secrete layers of calcium carbonate that serve as a protective covering. Some barnacles have been known to attach to the sides of whales. This benefits the barnacles in that they are constantly transported to locations with new sources of food. The whales neither benefit nor are harmed by the presence of barnacles. Barnacles follow r selection strategies. Which of the following is not accurate of barnacles based on this information? a) High fecundity b) Extensive parental care c) Early maturation d) Short lifespan
- Barnacles are crustaceans that live in the ocean. Barnacle larvae are motile and secrete a sticky substance that allows them to attach to a suitable substrate. As they mature into sedentary adults, they secrete layers of calcium carbonate that serve as a protective covering. Some barnacles have been known to attach to the sides of whales. This benefits the barnacles in that they are constantly transported to locations with new sources of food. The whales neither benefit nor are harmed by the presence of barnacles. Barnacles follow r selection strategies. How would the interaction between barnacles and whales be described? a) Commensalism b) Competition c) Mutualism d) ParasitismCompare the swimming movements of eels with those of trout, and explain why the latter are more efficient for rapid locomotionA rise in atmospheric carbon dioxide increases ocean acidity, making it harder for animals to build calcium carbonate parts. List some invertebrate animals that increased ocean acidity could harm in this way