When the value of 'r' is significantly low as compared to another species, it is better known by:

(1) Competition exclusion                   

(2) Interference competition

(3) Resource partition                        

(4) Competitive release

In which of the following interactions both partners are adversely affected?

(1) Competition

(2) Predation

(3) Parasitism

(4) Mutualism

The Abingdon tortoise in Galapagos Islands became extinct within a decade after goats were introduced on the island apparently due to

1. Superiority of goats

2. Greater browsing efficiency of goats

3. Higher value

4. Competitive release

A bird introduced from another country became a serious pest due to:

1. Better adaptation to new area      

2. More sexual reproduction

3. Better nesting habitats                

4. Absence of natural competition

In some shallow South American lakes visiting Flamingoes and Resident Fishes show which kind of interaction?

1. Competition

2. Predation

3. Parasitism

4. Commensalism

Darwin was convinced enough for considering………. A potential force in organic evolution.

1. Interspecific competition

2. Intraspecific competition

3. Mutualism

4. Predation

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:

1. Character displacement

2. Altruism

3. Resource partitioning

4. Competitive exclusion

Through resource partitioning:

1. Two species can compete for the same prey

2. Slight variation in niche allow closely related species to co-exist in the same habitat

3. Competitive exclusion results in the success of the superior species

4. Two species undergo character displacement that allows them to compete

Gause's principle of competitive exclusion states that

Gause's Competitive Exclusion Principle is challenged by

1. Competitive release

2. Resource Partitioning

3. Mutual exclusion

4. Predation