NOTE: (+) benefits. (0) no benefit and no harm. (-) harmed Species A [ Select ] Species B [ Select] v [ Select ] [ Select ] no interaction predation commensalism mutualism competition
Q: Species richness refers to Group of answer choices a. number of species in a community b. how even…
A: Introduction Species Richness (S) Refers To The Number Of Species Found In A Given Area.
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A: Ecology is the study of interaction of an organism with its environment.
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Q: Which of the following defines the role of a species in a community,including its habitat and…
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Q: The principle of competitve exclusion states thata) Competition between two species always causes…
A: The principle of competitive exclusion was proposed by the Russian biologist, G. F. Gause. He…
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A: A-species diversity is highest at intermediate frequencies of disturbance Joseph H. Connell…
Q: 1. Why does intraspecific competition tend to increase niche breadth, whereas interspecific…
A: Niche is the resources , conditions , interactions an organism uses or needs in its ecological…
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A: The correct option is D
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- EVOLUTION CONNECTION Explain why adaptations ofparticular organisms to interspecific competition may notnecessarily represent instances of character displacement. Whatwould a researcher have to demonstrate about two competingspecies to make a convincing case for character displacement?1. The survivorship curve above is characteristic of what type of species? Choice 1 of 3:Type I Choice 2 of 3:Type II Choice 3 of 3:Type III 2. Is this type of species likely an r-selected or K-selected species? Choice 1 of 2:r-selected Choice 2 of 2:K-selected 3. Describe the life history traits of this type of species A. reproductive strategy B. parental investment C. Expected lifespan 4. Name an animal that fits this life history strategy.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
- APredator and its prey interact __________, but if the predator affects anotherspecies through this interaction, ecologists describe it as a(n) ___________interaction.a. strongly; inefficientb.directly; variablec.weakly; diffused.indirectly; keystonee.directly; indirectThe tendency for two similar species to differ from each other more markedly in areas where they occur together is known as (a) Mllerian mimicry (b) Batesian mimicry (c) resource partitioning (d) competitive exclusion (e) character displacementWhich of the following relationships is least likely to result in coevolution? A. Competition B. Predator—prey C. Mutualism D. Host-parasite E. Amensalism
- A specie’s ________ is the totality of its adaptations, its use of resources, and its lifestyle. (A) habitat, (B) ecotone, (C) ecological niche, (D) competitive exclusion, (E) coevolution.Based on the interaction between species A and species B in the previous question, choose the most likely combination of alpha and beta coefficients.a. alpha = 1, beta = 10b. alpha = 10, beta = 1c. alpha = 1, beta = 1d. alpha = 0, beta = 1Previous questionTwo species of aquatic snails live in a nearby creek. Species A is a very strong competitor of Species B, who is a weak competitor. What do you expect will happen to the realized niche of Species B if both species share the same fundamental niche? IT decreasesUnder which scenario can a hawk successfully invade (or persist among) a population of doves? Group of answer choices C) Lowest resource value (V << C) D) Options A and B E) Options B and C F) Options A, B, and C B) Lower resource value relative to cost (i.e., V > C and V < 2*C) A) When high resource value relative to cost (i.e., V = 2*C)
- BLANK between species with BLANK ecological niches means they are les likely to occur sympatrically A) Competition; similar B) Predation; similar C) Competition; dissimilar D) Predation; dissimilar E) None of the aboveGause’sexperiments with Paramecium and Didinium showed:a.extinction of the predator, followed by extinction of the prey, in allhabitats.b.coexistence of predator and prey at fairly constant population sizes, inall habitats.c.coexistence of predator and prey, but with oscillating population sizes,in all habitats.d.coexistence of predator and prey at fairly constant population sizes,but only in the presence of refuges and predator reservoirs.e.coexistence of predator and prey with oscillating population sizes, butonly in the presence of refuges and predator reservoirs.In the Introduction, the authors set the stage for their experiment. What ecological issues were facing Yellowstone National Park when wolves were no longer there, and how were the researchers going to test the questions they wanted to ask? In 4 – 6 sentences, summarize the Methods section of this paper. One of the questions the researchers asked when they began their experiment was “With wolves now back on the Yellowstone landscape for 15 years, how has the reintroduction of wolves affected the recruitment of the woody browse species?” Use data from the Ripple and Beschta paper to support your answer. In any scientific paper, the Discussion is often the most hard-hitting, and where researchers elaborate and explain their results in the context of their experiment and the real world. Explain why when researchers tried culling some of the elk herd it did not have trophic effects, while reintroducing wolves did have trophic effects. Describe the multiple impacts of wolf…