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- Which of the following statements about symbiotic relationships is accurate? the most efficient parasite is one that kills its host in a parasitic relationship both organisms are harmed symbiotic organisms display little to no coevolution commensalistic relationships can become mutualistic or antagonisticWhich of the following is a symbiotic relationship? Two plants competing for light A fox feeding on rabbit A small crustacean feeding on the blood from the gills of a fish A fungus breaking down dead organic matterA hypothetical protist, Protista biologica, can become inhabited by a bacterium. This bacterium receives nutrition from the protist host and produces a dangerous toxin to the host. Which choice given below best describes this relationship? mutualism parasitism symbiosis Numbers 1 and 3 can describe this relationship Numbers 2 and 3 can describe this relationship Numbers 2 and 4 can describe this relationship
- Flagellate protozoans live in the guts of termites. The flagellates break down the cellulose that the termites eat, and both organisms benefit from the resulting nutrients. This relationship between protozoan and termite is an example of- mutualism parasitism equilibrium commensalismdetermine what type of interaction the example is describing 1. Pilotfish remove and eat parasites found on a shark's skin. 2. A Brown-headed cowbird lays her eggs in the nest of a Kirtland's warbler who then raises the young cowbirds as if they were her own. 3.The fungus Ophiocordyceps unilateralis infects ants and alters the ant’s behavior. The infected ant leaves its colony and attaches itself to the underside of a leaf and remains there until the fungus’ life cycle is completed. At this point, a fruiting body emerges from the ant’s head, killing the ant, and the fungal spores are released into the environment. 4. A scorpion stings and subdues its grasshopper prey, then eats the grasshopper. 5. Two male black bears fight for mating territory. predation herbivory mutualism competition parasitismAll of the organisms are very species living with a given area constitute an
- How does the presence of Christmas tree worms affect the predation of the corals in which they are embedded? Population Community EcosystemLean mice (+/+) were reared so they had microbe-free guts. Two groups of lean mice were injected, one with fecal material from obese mice (ob / o * b) and the other with fecal material from other lean mice. Both groups of mice were fed the same food. Their food intake and their gain in body weight were measured. This study is an example of which kind(s) of scientific method used in ecology? Natural history Systems modeling Molecular genetics Experimentation Descriptive observationBarnacles are filter-feeding molluscs that live by filtering plankton from seawater. This is a description of the barnacles': OO niche. community. habitat. ecosystem.
- Which of the following classifications represents the ecological level with the greatest diversity? OEcosystem OPopulation OCommunity OoganismThis graphs shows the regular cycling resulting from the interaction between of hosts and parasites. Host At equilibrium, what will happen to the parasite biomass if the host biomass increases? It will stay the same We need more information to answer this question It will increase It will decline ParasiteWhat type of symbiotic relationship portrays this: When one organism benefits (consumes another organism) and the other population benefits (weaker & older are eaten)? (answer choices: predation, commensalism, parasitism, mutualism)