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प्रश्न
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.
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उत्तर
संबंधित प्रश्न
Give the role of VAM related to soil fertility.
Define the following term:
Camouflage
The cattle egret and grazing cattle in close association is a classic example of ______.
Define the term population interactions. State its two types.
The interaction in nature, where one gets to benefit on the expense of other is _________.
The relationship between sucker fish and shark is _________.
Type of interspecific interaction wherein one organism is benefited and other is harmed is called ____________.
A protozoan living in the digestive tract of a flea that lives on a dog is an example of ______
______ 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.
In spite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?
In a pond, we see plants which are free-floating; rooted–submerged; rooted emergent; rooted with floating leaves; Write the type of plant against the following examples.
| Plant Name | Type | |
| a. | Hydrilla | ______ |
| b. | Typha | ______ |
| c. | Nymphaea | ______ |
| d. | Lemna | ______ |
| e. | Vallisneria | ______ |
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?
Observe the set of 4 figures A, B, C and D and, answer the following questions
- Which one of the figures shows mutualism?
- What kind of association is shown in D?
- Name the organisms and the association in C.
- What role is the insect performing in B?
 Fig. (A) |
 Fig. (B) |
 Fig. (C) |
 Fig. (D) |
Sea Anemone gets attached to the surface of the hermit crab. The kind of population interaction exhibited in this case is ______.
Name any two categories of organisms that in general are adversely affected by competition.
The interaction between cattle egret and the buffalo is ______.
A bird laying its egg in the nest of another bird is the type of ______.
"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.
Select the statement which best describes parasitism.
