1. In the absence of predators, parasitism is a major force of selection in humanpopulations. With millions of kinds of parasites competing for the hospitality of ahuman host, some interesting relationships exist between parasites that maximize orminimize their access to the human body.The Anopheles mosquito is indigenous to wet, tropical regions of the world. When thefemale mosquito bites a person, her goal is to suck out the rich, warm blood toincubate the eggs stored inside her abdomen. She may collect blood from severalреople.At the same time, many people in tropical areas have the parasitic protist Plasmodiumin their bloodstreams. The Plasmodium uses human red blood cells as incubators forits young. When the young are mature, the red blood cells (RBCS) burst, releasing thenew Plasmodia into the bloodstream where they seek out new RBCS. When the RBCSburst, the host is said to be experiencing the disease malaria –typified as fever, chills,and intense fatigue. If enough RBCS are destroyed, the host dies.When an Anopheles mosquito bites a person who carries the malaria-causingPlasmodium, the mosquito sucks up blood that has the Plasmodium in it. When themosquito finds a second person to bite, it will unintentionally deposit some of thePlasmodium-laden blood into the second human, spreading malaria quite effectively.Nearly two million people worldwide-most of them children-die from malaria eachyear. Interestingly, with increasing global temperatures, the range of the Anophelesmosquito is moving northwards through the United States towards Canada.a. Describe the biological interrelationships between the Anopheles mosquito, themalaria Plasmodium, and the human hosts. Consider the concepts of parasitism,mutualism, commensalism, interspecific competition, and intraspecificcompetition. It may help to draw an arrow diagram to organize your thoughts.Answer:ɔ. Co-evolution is a concept that applies to two organisms whose evolutionarysuccess is linked together. Apply the term co-evolution to the scenario above.Explain your reasoning.Answer:c. Describe two technologies or interventions that would assist in reducing accessof the malarial Plasmodium parasite to human populations. Explain how thetechnologies or interventions would work.Answer:

Malaria parasites are transmitted to human host by anopheles (female mosquito). A diverse group of…

mosquito is moving northwards through the United States towards Canada. a. Describe the biological interrelationships between the Anopheles mosquito, the malaria Plasmodium, and the human hosts. Consider the concepts of parasitism, mutualism, commensalism, interspecific competition, and intraspecific competition. It may help to draw an arrow diagram to organize your thoughts.

mosquito is moving northwards through the United States towards Canada. a. Describe the biological interrelationships between the Anopheles mosquito, the malaria Plasmodium, and the human hosts. Consider the concepts of parasitism, mutualism, commensalism, interspecific competition, and intraspecific competition. It may help to draw an arrow diagram to organize your thoughts.

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter29: Life Cycles Of Flowering Plants

Section: Chapter Questions

Problem 2CT: All but one species of large birds native to New Zealands tropical forests are now extinct. Numbers...

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The type of physical environment in which a species typically lives is its _______. a. niche b. habitat c. community d. population
All but one species of large birds native to New Zealands tropical forests are now extinct. Numbers of the one surviving species, the kereru (Hemiphaga, novae seelandine), are declining rapidly due to habitat loss, poaching, predation, and interspecies competition that wiped out the other native birds. The keruru is the only remaining dispersal agent for several native tress that produce big seeds and fruits, mainly because it is the only remaining species that can swallow big fruits (left) and expel big seeds whole. One of these trees, the puriri (Vitex lucens), is New Zealands most valued hardwood. Explain, in terms of natural selection, what would happen to puriri trees in New Zealand if the kereru becomes extinct.
Think back to Section 44.6. When researchers moved guppies from populations preyed on by cichlids to a habitat with killifish, the life histories of the transplanted guppies evolved. They came to resemble those of guppy populations preyed on by killifish. Males became gaudier; some scales formed larger, more colorful spots. How might a decrease in predation pressure on sexually mature fish allow this change?
5. Most remote oceanic islands have at least one uniquespecies of fl ightless bird that shows little or no fearof humans or other large predators. Account for thisobservation.
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4. Bird guides once listed the myrtle warbler and Audubon’swarbler as distinct species. Recently, these birds have beenclassified as eastern and western forms of a single species,the yellow-rumped warbler. Which of the following piecesof evidence, if true, would be cause for this reclassification?(A) The two forms interbreed often in nature, and theiroffspring survive and reproduce well.(B) The two forms live in similar habitats and have similar foodrequirements.(C) The two forms have many genes in common.(D) The two forms are very similar in appearance.
Evolutionary change caused by natural selection results in species witha. greater complexity.b. less complexity.c. greater reproductive success in their native environment.d. the ability to survive longer.
Think back to Section 44.6. When researchers moved guppies from populations preyed on by cichlids to a habitat with killifish, the life histories of the transplanted guppies evolved. They came to resemble those of guppy populations preyed on by killifish. Males became gaudier; some scales formed larger, more colorful spots. How might a decrease in predation pressure on sexually mature fish allow this change?
1.What environmental factors enable the species that are common in Mohn Hill Natural Area and Synder-Middleswarth Natural Area to exist in both areas.
7. The seasonal migration of Salmon, beginning life in freshwater, migrating to oceans to grow, and returning to freshwater to spawn are examples of what type of adaptation? * A. Structural B. Behavioral C. Physiological D. Vestigial
1.) Humans benefit from the presence of certain vitamin Kproducing bacteria that live in the large intestin The bacteria get food and shelter in return . This relationship is an example of A.)parasitism B.) predation C.) commensalism D.( mutualism 2.) A predator-prey relationship exists between the Canada lynx and the snowshoe hare. Lynx that are more successful hunters, are more likely to survive and reproduce, and thus pass on their traits to the next generation. Snowshoe hares that are faster or better at hiding are also more likely to pass on their successful traits From the above information , one can conclude that predator -prey interactions influence the process of A.) inbreeding B.) natural selection C.) artificial selection D.) parasitism 3.) Both intraspecific and interspecific competition affect population growth Which of the following statements about how population growth is affected by competition is correct? A.) Only intraspecific competition increases…
1.What are some ways that mankind has destroyed the habitat of animalpopulations? 2.Describe biological magnification and how it affects all species. 3.What can you do personally to minimize the use of pesticides andherbicides?