Which of the following is NOT true about the salmon life cycle? Group of answer choices a)Salmon return to spawn in the same stream where they were born. n)Salmon need cool, clean water in their fresh water habitat. c)When they spawn salmon prefer to lay their eggs in deep pools. d)Most salmon spend the majority of their life in the ocean
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Which of the following is NOT true about the salmon life cycle?
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- The function of the contractile vacuole in many freshwater protozoans is to: a) aid in mechanical digestionb) store carbon dioxidec) eliminate wastes such as ammoniad) eliminate excess waterWhich of the following is NOT true about the salmon life cycle? Group of answer choices Salmon need cool, clean water in their fresh water habitat. Most salmon spend the majority of their life in the ocean When they spawn salmon prefer to lay their eggs in deep pools. Salmon return to spawn in the same stream where they were born.2)How does potassium chloride (KCl) trigger spawning when injected in sea urchins? a)Mimics environmental signals in seawater that trigger spawning b)Triggers the muscles surrounding the gonads to contract c)Changes the ion concentration inside the urchin, so the urchin pulls in seawater that presses on gonads d)Acts as an irritant that the urchin tries to expel by spawning
- What are the negative effects of shark finning on the ecosystem? (Please be specific and answer in paragraph form)Feeding mechanism and reproductive strategies evolve first because? A) It functions for the primary needs of organism here on earth B) It ensures survival and signs of adaptation C) Both A and B D) all statements are contradictingIncreasing environmental temperature has which of the following effects on mosquitoes and arthropod borne viruses? a) the extrinsic incubation period of a virus decreases b) the frequency of egg laying by females increases c) the frequency of blood feeding by females increases d) the the frequency of egglaying by females decreases e) the frequency of bloodfeeding by females decreases
- Which of the following could explain the seasonal difference in the diet of squirrels? Question 3 options: a) The seasonal change in the relative abundance of blackberries and acorns in their habitat. b) The difference in size between blackberries and acorns. c) The difference in the nutritional composition of blackberries and acorns. d) A and B e) A and CFRONTLINE: Poisoned Waters (Puget Sound) The film portrays the resource value of orca whales as primarily one of existence value. That means orcas are valued mostly a) for their potential, undiscovered value. b) for keeping the ecosystem in balance by eating salmon. c) merely because people know they are there. d) as a tourism resource. e) for their oil and blubber.Lagomorphs have a rapid gut transit time resulting in starch and simple sugars not being completely digested in the: a) colon b) large intestine c) small intestine d) stomach
- Which of the following organisms cohabitate with the tripod fish? goldfish anglerfish swordfish catfish1)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 theseWhat is the number and types of lamprey species that are present in the Great lakes? which lampreys are native and which are invasive to the Great Lakes? which lampreys are parasitic and which are not in the Great Lakes? what do non-parasitic lampreys do? What is the life cycle of sea lampreys, and the various control methods for lampreys intersect with this life cycle?