A. Reaction
B. Competition
C. Coaction
D. Ecesis
Related Mcqs:
- The number of individuals of a species per sampling unit is called its:
A. Biomass
B. Abundance
C. Density
D. Frequency - A population of individuals of a species which are interfertile but differ genetically is called:
A. Ecad
B. Ecotone
C. Ecotype
D. Biome - Exotic species, which brought for plantation from some other country to our country or even from one ecosystem to other ecosystem are called, as exotic species like:
A. Pinus nigra – Japan
B. Euralyptus – Australia
C. Polunia – China
D. All of the above - Individuals of the same species in a particular locality constitute:
A. Population
B. Community
C. Flora
D. Fauna - The number of individuals of a species in a particular ecosystem at a given constant due to:
A. Man
B. Parasites
C. Predators
D. Available food - The species characteristics are an expression of the genetic make up of an animal species influencing the extend and nature of ______.
A. Home range, breeding season
B. Longevity, territory and the niche
C. Both (a) & (b)
D. None of these - The number of sampling units expressed in percentage in which a particular species occurs is called its:
A. Abundance
B. Density
C. Frequency
D. Phenology - A population of individuals from the same genetic stock but differing in their morphology is called:
A. Ecotype
B. Ecad
C. Ecotone
D. Life form - If organisms are arranged according to predator-prey relationship one always finds more of prey species then of predator. This is called a:
A. Food web
B. Pyramid of numbers
C. Succession
D. Predator-prey relationship - A branch of ecology which is concerned with the study of individual species at all stages of its life cycle in relation to environment is called:
A. Reproductive ecology
B. Autecology
C. Synecology
D. Ecological niche
The correct answer to the question: "The effect of individuals of the same species upon each other is called:" is "Coaction ".