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In Glacier Sea over the past 5 years the moon jelly population has been INCREASING. How will the walleye pollock population be affected?
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- Why is shark finning used in shark fin soup can lead to the destruction of the coral reef system?1)The video discusses some of the factors that allowed lionfish to expand throughout the Atlantic region. Which of the following reasons were given for why the lionfish population has been able to expand so rapidly? choose all that apply a)Lionfish out-compete native fish for food b)Atlantic predatory fish don't eat lionfish c)Lionfish are able to breed more frequently than native fish d)The Atlantic region has fewer parasites that attack lionfish e)None of theseAre We “Turning the Tide” for Native Oysters in Chesapeake Bay?
- In not more than 200 words or 5 sentences, explain why or why not shark finning used in shark fin soup can induce the destruction of the coral reef ecosystem.What is the reason behind the diversity of fishing gears in the Philippines?4. Why is Pacific salmon movement into freshwater streams considered migration if the salmon die at the head of the stream and never return to the ocean? A) It is not considered migration but immigration. B) Migration is a one-way movement. C) Because their offspring return to the ocean, the entire population participates in the migratory event via different life stages. D) Most male adult fish survive reproduction and return to the ocean. 5. The distribution of species is rarely determined by minimum and maximum temperature tolerances. TRUE or FALSE.
- Why is the Atlantic cod listed as "Vulnerable" on the IUCN Red List of Threatened Species, but only as a " Species of Concern" in the NOAA Fisheries Directory? Fully cite all resources usedFigure 19.6 If the major food source of seals declines due to pollution or overfishing, which of the following would likely occur? a. The carrying capacity of seals would decrease, as would the seal population. b. The carrying capacity of seals would decrease, but the seal population would remain the same. c. The number of seal deaths would increase, but the number of births would also increase, so the population size would remain the same. d. The carrying capacity of seals would remain the same, but the population of seals would decrease.Figure 45.10b If the major food source of the seals declines due to pollution or overfishing, which of the following would likely occur? The carrying capacity of seals would decrease, as would the seal population. The carrying capacity of seals would decrease, but the seal population would remain the same. The number of seal deaths would increase but the number of births would also increase, so the population size would remain the same. The carrying capacity of seals would remain the same, but the population of seals would decrease.
- 4)What effects does removing sea anemones from a coral reef ecosystem have on the types of fish species present? a)Population b)Community c)EcosystemThis is a question NOT a writing assignment Summarize the case of the Atlantic cod. In your response, specifically address the following points: What method is most commonly used to extract cod? What are the environmental consequences of this method? What is the evidence that cod are being overfished? What remedies have governments enacted to help restore cod populations?What are the negative effects of shark finning on the ecosystem? (Please be specific and answer in paragraph form)