Advertisements
Advertisements
प्रश्न
Define stenohaline species.
Advertisements
उत्तर
Species that tolerate narrow range of salinity are called stenohaline species.
APPEARS IN
संबंधित प्रश्न
What is the ecological principle behind the biological control method of managing with pest insects?
Distinguish between the following: Parasitism and Mutualism.
The number of deaths under ideal conditions is known as ______.
Explain any three important characteristics of population.
What is commensalism? Explain it with a suitable example.
Predation and parasitism are which type of interactions?
Which principle/theory states that 'Two closely related species competing for the same resources cannot co-exist indefinitely and the competitively inferior will be eliminated eventually.'?
The interspecific interaction between Cuckoo and Crow is ______
Which one of the following is one of the characteristics of a biological community?
An interaction favourable to both population but no obligatory to either is ______.
Lichens are association of ______.
Define ectoparasite and endoparasite and give suitable examples.
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) |
In an aquarium two herbivorous species of fish are living together and feeding on phytoplanktons. As per the Gause’s Principle, one of the species is to be eliminated in due course of time, but both are surviving well in the aquarium. Give possible reasons.
Name any two categories of organisms that in general are adversely affected by competition.
Carnivorous animals-lions and leopards, occupy the same niche but lions predate mostly larger animals and leopards take smaller ones. This mechanism of competition is referred to as ______.
Complete the following chart regarding population interaction and re-write:
| Sr. No. | Name of interaction | Interaction between |
| 1. | ? | Plasmodium and Man |
| 2. | ? | Leopard and Lion |
| 3. | ? | Clownfish and Sea-anemone |
Give one example of parasitism.
Give one example of camouflage.
