Q. No.A population interaction that is detrimental to both species would be:
| 1. | Mutualism | 2. | Competition |
| 3. | Predation | 4. | Amensalism |
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The result showed that Chthamalus spread into the region formerly occupied by Balanus.
The correct conclusion will be:
| 1. | Interspecific competition makes the realized niche of Chthamalus much larger than its fundamental niche. |
| 2. | Interspecific competition makes the realized niche of Chthamalus much smaller than its fundamental niche. |
| 3. | Interspecific competition makes the realized niche of Balanus much larger than its fundamental niche. |
| 4. | Interspecific competition makes the realized niche of Balanus much smaller than its fundamental niche. |
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When Darwin spoke of the struggle for existence, he was convinced that a potent force in organic evolution is:
| 1. | Intraspecific competition | 2. | Interspecific competition |
| 3. | Intraspecific mutualism | 4. | Interspecific mutualism |
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Consider the given statements regarding competition amongst organisms:
| I: | Only related species can compete for the same resource |
| II: | Competition occurs only when the resources are limiting |
The correct statement/s is/are:
| 1. | I alone | 2. | II alone |
| 3. | Both I and II | 4. | Neither I nor II |
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In some shallow American lakes, unrelated visiting Flamingoes and resident fishes compete for the common food which is:
| 1. | Crustaceans | 2. | Zooplankton |
| 3. | Cichlid fishes | 4. | Prawns |
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A process in which the fitness of one species is significantly lower in the presence of another species, is termed as :
| 1. | Predation | 2. | Parasitism |
| 3. | Competition | 4. | Amensalism |
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Abingdon tortoise in Galapagos islands became extinct within a decade after goats were introduced on the island due to:
1. Habitat fragmentation
2. Better browsing efficiency of goats
3. Predator of goat attacking tortoise
4. Virus of goats parasitizing tortoise
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The ‘Competitive Exclusion Principle’ was given by:
| 1. | Gause | 2. | Connell |
| 3. | Tillman | 4. | Paul Ehrlich |
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A species whose distribution is restricted to a small geographical area because of the presence of a competitively superior species, is found to expand its distributional range dramatically when the competing species is experimentally removed. This is called:
| 1. | Competitive Exclusion | 2. | Competitive Release |
| 3. | Competitive Supremacy | 4. | Competitive Inclusion |
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“Competitive Exclusion Principle” may be true if:
1. The competing species are equally capable
2. Resource partitioning occurs
3. There is only intraspecific competition
4. Resources are limiting
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