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if kelp population continues to decrease then how will sea otters, sea urchins, killer whales be affected ?
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- How will the loss of kelp likely change the ecosystem?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 theseHow will helping the Salmon population help to increase the Orca population here in the PNW
- Sea stars prey on sea urchins in coral reef ecosystems and are known as a keystone species. What does this mean?How are sea otters negatively impacted by Coal ?In Glacier Sea the orca population was INCREASING in size. If the orca population increased what would happen to the zooplankton population?
- Which statement about dispersal is false?(A) Dispersal is a common component of the life cycles ofplants and animals.(B) Colonization of devastated areas after floods or volcaniceruptions depends on dispersal.(C) Dispersal occurs only on an evolutionary time scale.(D) The ability to disperse can expand the geographic distribution of a species.A defence mechanism is how the sea cucumber fires its internal organs at attackers. How would this defence mechanism have evolved over time due to pressure from predation and/or competition? Please explain in details.why do lionfish have a huge effect on biodiversity in coral reefs?