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प्रश्न
What is Mortality? What are its two types?
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उत्तर
Definition: Mortality is the death rate of a population. The two types of mortality are
- Absolute Mortality: The number of deaths under ideal conditions (with no competition, abundance of resources such as food and water, etc.).
- Realized Mortality: The number of deaths when environmental pressures come into play
संबंधित प्रश्न
Answer the following question.
Mention the term used to describe a population interaction between an orchid growing on a forest tree.
Name important defense mechanisms in plants against herbivores.
What is population ecology?
Two species competing for the same resources, avoid competition by choosing different times for feeding, also known as ______
Identify the type of negative interaction.
Which one of the following is an example of predation?
Which of the following is not an example of commensalism?
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) |
A bird laying its egg in the nest of another bird is the type of ______.
Observe the graph given below.
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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.
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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.
 |
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| A | B |
