Define ectoparasite and endoparasite and give suitable examples.

1.	Define ectoparasite and endoparasite and give suitable examples.
Answer» Ectoparasite feeds on the external surface of the host organism, e.g., Lice on humans and ticks on dogs. Many marine fish are infested with ectoparasitic copepods. Endoparasites live inside the host body at different sites (liver, kidney,lungs, red blood cells, etc.) . Such as malarial parasites P. vivax, gut parasites, i.e., tapeworm. Their morphological and anatomical features of endoparasites are greatly simplified while emphasising their reproductive potential.

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Define the following terms and give one example for each: (a) Commensalism (b) Parasitism (c) Camouflage (d) Mutualism (e) Interspecific competition
Select the statement which explains best parasitism. (a) One organism is benefited. (b) Both the organisms are benefited. (c) One organism is benefited, other is not affected. (d) One organism is benefited, other is affected.
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Assertion Commensalism is a type of positive interaction. Reason In commensalism, one organism is benefitted, while other is harmed.A. If both Assertion and Reason are true and the Reason is the correct explanation of AssertionB. If both the Assertion and Reason are true, but the Reason is not the correct explanation of AssertionC. If Assertion is true, but the Reason is falseD. If Assertion is false, but the Reason is true
Select the statement which best explains commensalism (a) One organism is benefitted (b) Both the organisms are benefitted (c) One organism is benefitted , other is not affected (d) One organism is benefitted , other is affected .
Each environment can support a limited population depending upon itsA. Biotic potentialB. Carrying capacityC. NatalityD. Reproductive potential
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In an area, if there are 200 Parthenium plants but only a single huge banyan tree with a large canopy, the population density is measured in terms ofA. Number or biomassB. Number of per cent coverC. Biomass or per cent coverD. Number, biomass or per cent cover.
One species is benefitted and other is neutral. This association is calledA. MutualismB. CommensalismC. AmensalismD. Parasitism
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Define ectoparasite and endoparasite and give suitable examples.

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