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प्रश्न
Define ectoparasite and endoparasite and give suitable examples.
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उत्तर
- Parasites that feed on the external surface of the host organism are called ectoparasites. The most familiar examples of this group are the lice on humans and ticks on dogs.
- Endoparasites are those that live inside the host body at different sites (liver, kidney, lungs, red blood cells, etc.).The human liver fluke (a trematode parasite) is an endoparasite.
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संबंधित प्रश्न
Define the following term:
Interspecific competition
Name the two intermediate hosts which the human liver fluke depends on to complete its life cycle so as to facilitate parasitization of its primary host.
Association between sea anemone and Hermit crab in gastropod shell is that of.
Give one example of interspecific competition.
Define the following term:
Parasitism
Differentiate between predator and prey.
Statement I: If one or two species are lost, it may not affect proper functioning of ecosystem.
Statement II: Loss of key species causes serious threat to functioning of ecosystem. Choose the correct alternative with reference to the above statements
The interspecific interaction between Cuckoo and Crow is ______
Type of interspecific interaction wherein one organism is benefited and other is harmed is called ____________.
Match the Columns.
| Column A | Column B | ||
| i. | Lice on humans | a. | Endoparasites |
| ii. | Ectoparasites on marine fishes | b. | Grows on hedge plants |
| iii. | Cuscuta | c. | Ectoparasites |
| iv. | Plasmodium and humans | d. | Copepods |
Which of the following is NOT an example of mutualism?
Which one of the following is NOT an example of commensalism?
______ in birds is an interesting example of parasitism in which the parasitic bird lays its eggs in the nest of its host and the host incubates them.
An interaction favourable to both population but no obligatory to either is ______.
What is mycorrhiza?
In an association of two animal species, one is a termite which feeds on wood and the other is a protozoan Trichonympha present in the gut of the termite. What type of association they establish?
Give one example for the following type.
Phytophagous animal
"Some species of insects and frogs have evolved with various specific features that help them from being detected."
- Justify the statement giving reasons.
- Mention any two such features.
Give one example of camouflage.
