Categorize the following scenarios asdensity-dependent and density-independentlimiting factorsA: A flood wipes out all the plant speciesthat live on a river bed.B: A pack of wolves migrates to a newvalley and eats all the deer that inhabit thatspace.C: A large population of zebras are killeddue to a very contagious virusD: A drought kills many of the deer that livein a valley.ACDB

There are certain factors in an environment which affect the population size or number as population…

Answered: Categorize the following scenarios as…

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

14th Edition

ISBN:9781305073951

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

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

Chapter44: Population Ecology

Section: Chapter Questions

Problem 6SQ

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Similar questions

In the short term what willhappen to the levels aboveand below a population ofsecondary consumers of anumeric pyramid if a largenumber of individuals fromthis population dies?
According to the island equilibrium model, species richness would be greatest on an island that isa) large and remoteb) large and close to a mainlandc) small and close to a mainlandd) small and remote
______ is a density-independent factor that influences population growth. a. Predation b. Infectious disease c. Resource competition d. Harsh weather
Population _______________ is the number of individuals of a species per unit of habitat area or volume at a given time. (a) dispersion (b) density (c) survivorship (d) age structure (e) demographics
Organismsthat produce many offspring would best be characterized by which of thefollowing?a.A convex survivorship curveb.A concave survivorship curvec.A linear survivorship curved.A sigmoidal survivorship curvee.None of the choices apply
Which region will add the most people between 2013and 2050? Which will increase by the greatest percentageduring this time period. Which regions will experience verylittle population growth during this period?
If a disease is destroying barley plants in a field swept through an ecosystem What type of limiting factor would the disease before the Barley eating bird population density dependent or density independent and why?
Which of the following statements best represents the productivityhypothesis regarding species richness?a. The larger the area, the greater the number of species that will befound there.b. Temperate regions have a lower species richness due to the lack oftime available for migration after the last Ice Age.c. The number of species in a particular community is directly relatedto the amount of available energy.d. As invertebrate productivity increases, species richness will increase.e. Species richness is not related to primary productivity.
Categorize the following density-dependent factors by their cause and effect. The four categories are natural/catastrophic, natural/gradual, human-made/catastrophic, and human-made/gradual. A contagious virus that causes death in forty-eight hours strikes a small population of frogs that lives in a small pond. A population explosion of mayflies in a small corner of a lake brings increased predation by dragonflies. The building of a large vacation resort results in the clearing of several acres of land, degrading the habitat of a large population of plants living on those acres. An accidental leak of biohazardous material introduces a bacteria that slightly decreases reproductive capability of a small population of songbirds living near the leak.
Categorize the following density-independent factors by their cause and effect. The four categories are natural/catastrophic, natural/gradual, human-made/catastrophic, and human-made/gradual. A volcanic explosion results in lava flow over five square miles where a population of rare orchids lives. A vernal pool driesup a few weeks earlier than normal, impacting a population of spotted salamanders that used the pool to breed earlier in the season. A toxic chemical spill directly into a lake kills eggs, small fry, and all females in a dense population of bass. An increase in demand by humans increases harvesting of shrimp by people in the fishing industry.
Name two reasons that a large national park like Serengetior Yellowstone might not be adequate to effectivelyconserve a population of a threatened species. What solutionsexist to address these reasons?
Polar bears live on the ice cap near the North Pole. Their numbers aredwindling, apparently because of both pollution and global climatechange. List some specific ways that the melting of the Arctic ice capmight affect polar bear populations.

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