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प्रश्न
How absolute Natality differs from Realized Natality
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उत्तर
- Absolute Natality: The number of births under ideal conditions (with no competition, abundance of resources such as food and water, etc.).
- Realized Natality: The number of births when environmental pressures come into play. Absolute natality will be always more than realized natality
संबंधित प्रश्न
During .............. typs of interaction, both organisms are benefited
- mutualism
- competition
- commensalism
- parasitism
Name the type of association:
Clownfish and sea anemone
Name the type of association: Crow feeding the hatchling of Koel
Distinguish between the following: Parasitism and Mutualism.
______ 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.
Amensalism is an association between two species where ______.
Give one example for the following:
A parasitic angiosperm
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 |
Observe the graph given below.
|
The graph represents inter-specific interaction between two species of Paramecia competing for the same resource in a culture medium. Paramecium caudatum and Paramecium aurelia were grown in separate cultures as well as in mixed cultures. It was found that each species grew in numbers according to the logistic equation.
|
a) Which species is competitively superior? Support it with the data provided in the graph.
b) State the underlying principle for the above result and name the scientist associated with this principle.
c) Explain the mechanism in which two or more species competing with each other can co-exist.
OR
Graphs A and B shown below depict interaction of two species. Which graph indicates Mutualism? Give reason.
 |
 |
| A | B |
Association between clown fish and sea anemone is ______.
