According to the rule of vain exclusion, two varieties cannot continue to accounting the exact same _____.

You are watching: According to the principle of competitive exclusion, two species cannot continue to occupy the same

A.territoryB.rangeC.biomeD.ecological nicheE.environmental habitat

Of the options below, which finest describes the result predation has on the predator/prey organisms associated in the relationship? impact ... BenefitB.benefit ... BenefitC.harmed ... HarmedD.benefit ... No effectE.benefit ... Harmed

The term provided to define a harmless biology resembling a harmful one is _____.

A.aposematic colorationB.Müllerian mimicryC.warning colorationD.Batesian mimicryE.cryptic coloration

Cellulose-digesting microorganisms live in the organs of termites and ruminant mammals. The microorganisms have a home and food, and also their master gain much more nutrition from their meals. This connection is an instance of _____.


In the hypothesis that C. Stellatus (a varieties of barnacle) is competitively excluded from the lower intertidal zone through B. Balanoides (another types of barnacle), what might be concluded around the 2 species?

A.The basic and establish niches that B. Balanoides space different, however the basic and realized niches that C. Stellatus are identical.B.The an essential and establish niches of B. Balanoides and C. Stellatus room identical.C.The fundamental and realized niches of B. Balanoides and also C. Stellatus space different.D.The basic and realized niches the B. Balanoides space identical, yet the basic and realized niches the C. Stellatus room different.

As you examine two closely related predatory insect species, the two-spot and the three-spot avenger beetles, you notice that each types seeks prey at dawn in areas without the various other species. However, whereby their ranges overlap, the two-spot avenger beetle hunts in ~ night and the three-spot hunts in the morning. As soon as you bring them right into the laboratory and isolate the two different species, you discover that the offspring that both types are discovered to it is in nocturnal. You have discovered an instance of _____.

A.Batesian mimicryB.character displacementC.resource partitioningD.mutualism

Which of the complying with statements is consistent with the principle of compete exclusion?

A.The random distribution of one competing varieties will have actually a positive impact on the populace growth that the other completing species.B.Natural an option tends to boost competition in between related species.C.Even a slight reproductive advantage will at some point lead to the remove of the less well adjusted of two competing species.D.Two varieties with the same an essential niche will exclude other competing species.

The symbols +, -, and o space to be provided to present the results of interactions between individuals and groups of individuals in the examples that follow. The prize + denotes a hopeful interaction, - denotes a an unfavorable interaction, and o denotes where individuals are not affected by interacting. The very first symbol refers to the first organism mentioned.

What interactions exist in between a mite on a dog and the dog?


If two varieties are near competitors, and one types is experimentally removed from the community, the remaining species would be meant to _____.

A.expand its establish nicheB.decline in abundanceC.change its an essential nicheD.become the target of committed parasites


During a one-year study, researchers discovered no distinction in treehopper populations in any of their control and also experimental groups. What could they measure throughout the 2nd year to gain information about why this might have occurred?

A.Measure the loved one abundance that jumping spiders.B.Measure the loved one sizes the the treehoppers.C.Measure the family member sizes of different ant species.D.Measure the number of ant females.

Resource partitioning would certainly be most most likely to occur between _____.

A.sympatric populations of types with comparable ecological nichesB.allopatric populations of species with similar ecological nichesC.sympatric populations of a flower plant and also its devoted insect pollinatorD.allopatric populaces of the same pet species

Which of the adhering to is an instance of cryptic coloration?

A.markings of a viceroy butterfly\"s wingsB.brown or gray color of tree barkC.a \"walking stick\" insect the resembles a twigD.bands ~ above a coral snake

Which that the adhering to is an example of Batesian mimicry?

A.a fawn with hair coloring the camouflages the in the forest environmentB.a nonvenomous snake that looks favor a awful snakeC.a butterfly that resembles a leafD.a snapping turtle that supplies its tongue to mimic a worm, therefore attracting fish

Which of the adhering to is an instance of Müllerian mimicry?

A.a chameleon that alters its color to look favor a dead leafB.a day-flying hawkmoth that looks prefer a waspC.two varieties of unpalatable butterfly that have the same shade patternD.two species of rattlesnakes the both rattle their tails

Which the the adhering to is an example of aposematic coloration? shade of a plantB.the brightly colored patterns of toxicity dart frogsC.eye color in humansD.a katydid whose wings look like a dead leaf

In part circumstances, grasses benefit from being grazed. Which of the complying with terms would finest describe such a plant-herbivore interaction?


Which of the adhering to studies would a community ecologist undertake come learn around competitive interactions?I) selectivity of nest sites amongst cavity-nesting songbirdsII) the grass varieties preferred through grazing pronghorn antelope and bisonIII) stomach analysis of brown trout and also brook trout in streams where they coexist

A.only I and also IIB.only II and IIIC.I, II, and also IIID.only I and also III

In an ecosystem, phytoplankton space _____.

A.tertiary consumersB.detritivoresC.producersD.secondary consumersE.primary consumers

An earthworm the feeds top top the remains of plants and also animals is acting as a _____.

A.primary consumerB.producerC.secondary consumerD.detritivoreE.tertiary consumer

When a human being eats a steak, the human is acting together a _____.

A.tertiary consumerB.secondary consumerC.detritivoreD.primary consumerE.producer

A cow eat grass is an example of a _____.

A.tertiary consumerB.detritivoreC.producerD.secondary consumerE.primary consumer

A human being who just ate a hamburger is eaten by a shark while swimming. The shark is acting together a _____.

A.detritivoreB.producerC.tertiary consumerD.secondary consumerE.primary consumer

Keystone species are those types _____.

A.whose absence would cause significant disruption in a communityB.that live mainly on or under rocks and stonesC.that carry out important foods and medicinesD.with the largest variety of individuals in a communityE.that have the many biomass in the community

An organism\"s \"trophic level\" refers to _____.

A.its food sourceB.whether the is at an early stage or late in eco-friendly successionC.where that livesD.the rate at i beg your pardon it offers energyE.the strongness of its compete with other species


What does the graph in the figure over tell you around the definition of a keystone species?

A.Adding a keystone varieties to the community will do it more diverse.B.Removing a keystone species from the community will eventually allow for the intrusion of a brand-new species.C.A keystone varieties has little interaction through other species in one environment.D.Removing a keystone species from the ar drastically reduces diversity.


In the number above, which community has the highest species diversity?

A.Community 1B.Community 2C.Community 4D.Community 1 and also community 3 have the highest species diversity.

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Elephants are not the most dominant types in afri grasslands, however they influence neighborhood structure. The grasslands save scattered woody plants, however they are retained in inspect by the uprooting tasks of the elephants. Take away the elephants, and also the grasslands transform to woodlands or come shrublands. The newly growing forests assistance fewer types than the ahead grasslands. I beg your pardon of the following defines why elephants are the keystone species in this scenario?

A.Grazing pets depend upon the elephants to convert forests to grassland.B.Elephants exhibit a disproportionate influence on the framework of the community relative to their abundance.C.Elephants assist other populations survive by keeping out countless of the huge African predators.D.Elephants space the best herbivore in this community.

Approximately how countless kilograms (kg) that carnivore (secondary consumer) biomass have the right to be sustained by a field plot include 1000 kg of tree material?



According come the Shannon Diversity Index, i beg your pardon of the five blocks above, v each comprise thirty-six squares, would show the biggest diversity?


Imagine 5 forest communities, each v one hundred people distributed among four different tree species (W, X, Y, and also Z). I beg your pardon forest neighborhood would be many diverse?

A.40W, 30X, 20Y, 10ZB.25W, 25X, 25Y, 25ZC.50W, 25X, 15Y, 10ZD.70W, 10X, 10Y, 10Z