Please help Question 7Why does low biodiversity in an ecosystem tends to increase the proportion of ticks carrying Lyme disease?Omissing/decreased populations of species that eat ticks and prevent them from passing on the disease AND higher populations of disease resevoirs like miceO a decrease in the number of naturally occuring plant-derived medicinesO fewer large animals (which provide disease reservoirs) and increased number of domestic animals which are vaccinatedOdecreased diversity of other bacterial, reducing bacterial competition and allowing the disease to flourish

Biodiversity is the variety of species existing on the earth. It reflects organization of organisms…

Answered: Why does low biodiversity in an…

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter17: Communities And Ecosystems

Section: Chapter Questions

Problem 1CT

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(3) Both organisms are positively affected by the relationship microorganism) infection doubled in the human population near the dam. As a result of building the dam, the (4) Both organisms are negatively affected by the relationship arfected by the relationship and organism Y is positively affected kate ** Arter the Aswan High Dam was built on the Nile Biver the rate of parasitic blood-fluke (a worm-like now of the Nile changed. This changed the babitat which resulted in an increase in its population of a certain aquatic shail. The snails, which were infected, released larvae of the fluke. These larvae then infected humans. The role of the snail in this relationship may be described as a (1) Host (2) Parasite (3) Producer (4) Decomposer For the questions that follow, dletermine the type of relationship (mutualism, parasitism, commensalism, predation or competition) being described, and briefly explain your reasoning. A fox is carrying a dead squirrel as a hawk swoops down to grab it.…
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Safari File Edit View History Bookmarks Develop Window Help Fri Feb 4 9:35 PM catcourses.ucmerced.edu P N JC О МуМer... G Demo... Q Mende... b Scienc.. Q natural... G Google Inbox Homew... Paraph... H/W -. 8. The bacterium Staphylococcus aureus causes skin infections commonly called staph infections. One antibiotic that has been used to treat staph infections is methicillin. However, resistance to this antibiotic has become a widespread problem. The graph below shows the percentage of S. aureus strains that have become resistant to methicillin over a 20-years period in the United States. As you may have heard, methicillin-resistant S. aureus strains are called MRSA. Explain these data. Is evolution occurring? If so, propose a hypothesis to explain why S. aureus populations are evolution with regard to antibiotic resistance. Copyright © McGraw-HII Education. Pemission required for reproduction or display. 60% 50% 40% 30% 20% 10% 0% 1981 1985 1989 1993 1997 2001 00 (o % S. aureus…
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