explanations for the cause of declining sea otters population. According to the reading‚ environmental pollution is the main reason for this phenomenon. The lecture‚ on the other hand‚ finds this hypothesis questionable and claims that attacks by predators is a better explanation for otter population declination. The lecture also provides three reasons to repudiate what is mentioned in the passage. First‚ the reading states that there are polluting sources‚ such as oil rigs‚ in the region otters
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over-fishing in the open waters‚ that has led to the destruction of the coastal ecosystems off the coast of western Alaska. 7. List at least two forms of evidence to support the hypothesis that killer whales are preying upon sea otters. 8. A "keystone predator" is one that exerts an important regulating effect on other organisms in the community. Removing
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adaption that the Chameleon has is that they can change their color pigments to blend in with their surroundings to keep hidden from predators and prey. Chameleon’s have super long tongues so that they can extend them and slurp up their prey. They also have eyes that rotate around so they can see 360 degrees around them at all times to help them keep track of predators and prey. Life History: Life Span- 5 to 9 years varies by the species. Range/distribution- Half the world’s population of Chameleon’s
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shape and small. It also has five curved limbs that are used to improve their digging(Wilson and Ruff‚ 1999).The coloration of the marmots fur varies and can range from white‚ to brown to black. It uses it’s dark fur in order to camouflage from predators. The body of a Alaska Marmot has bilateral symmetry which means they have dorsal and ventral sides‚ as well as anterior and posterior ends (Bee and Hall‚ 1956). They are typically large in size ranging from (539 to 652 mm).Males
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Assess Blue= Written Red=Need to be written ENGLISH ASSESMENT. Kids use the Internet for hours upon hours each week. They can navigate themselves very well around the World Wide Web. Kids use the Internet to research for school papers or assignments‚ playing games‚ and social networking. Just because kids know a lot about using the Internet does not mean that they know very
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For our project‚ we will be researching the extent to which juveniles from low socioeconomic backgrounds are more susceptible to online predator victimization when using popular social media apps. When thinking about this topic‚ several theories can be applied. First‚ functionalism is a paradigm that can be used. It argues that social institutions contribute to the stability and social order
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Along the coastlines of U.S.A‚ Africa and Australia‚ sharks‚ especially the Great Whites‚ have received a bad reputation as very aggressive predators that like to attack and eat human beings. There is a long‚ complex and often bloody relationship between Carcharodon Carcharias and Homo sapiens. The great white’s reputation as ferocious predator is well-earned‚ yet these marine animals are not as once believed –indiscriminate ‘’eating machines’’. They are ambush hunters‚ taking prey by surprise from
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obtaining current events at a moment’s notice. Along with these so could networks that allow you to stay in touch with the world‚ they have their potential dangers. These dangers can include public viewing of your personal life‚ and prone to sexual predators. Social media sites are virtual communities that can be publically viewed by anyone and everyone. Pictures‚ videos‚ and personal information continually get posted even with privacy statements.(Gail‚ Uy K 2010).All while people think they are safe
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destroying our magnificent Great Barrier Reef. Biotic factors are a major consideration of the outbreak of the Crown of Thorns‚ lack of predators and their high fertilization rate plays a massive role in this overwhelming amount of starfish. The main predator the COT meets is the giant triton snail1. But because of recent population problems making the predators lacking in numbers they have no way of reducing the crown of thorns population. The fertilization rate for the starfish is higher than ever
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When it comes to adaptation this fascinating creature protects itself by producing when touched a colorful light that will scare away their predators‚ or attract larger predators that can now attack the predator of the comb jelly. But most of the comb jelly’s initial color when untouched is transparent which makes it easier for them to hide from their predators. It is a sort of camouflage. Furthermore comb jellies are considered as hermaphroditic which means that they have both the female and
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