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Explain any three important characteristics of population.
Concept: Population Interactions
What is commensalism? Explain it with a suitable example.
Concept: Population Interactions
Define population growth. Explain different types of age pyramids.
Concept: Population Interactions
Pick out the appropriate association representing brood parasitism.
Concept: Population Interactions
From the given diagram, identify the type of population growth curve:
Concept: Population and Population Attributes
The interaction between cattle egret and the buffalo is ______.
Concept: Population Interactions
Identify ‘A’ in the given graph of population growth:
Concept: Population and Population Attributes
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 |
Concept: Population Interactions
Describe mutualism.
Concept: Population Interactions
Identify the appropriate term for the number of births under ideal conditions:
Concept: Population and Population Attributes
Explain the term Emigration.
Concept: Population and Population Attributes
Explain ‘Carbon cycle’.
Concept: Biogeochemical Cycles (Nutrient Cycles)
Mention any 'two' ecological services forthe benefit of mankind
Concept: Ecosystem Services
Give diagrammatic representation of pyramid of numbers.
Concept: Ecological Pyramids
Guano deposits are rich in ______.
Concept: Biogeochemical Cycles (Nutrient Cycles)
Explain the concept of primary productivity.
Concept: Concept of Ecosystem >> Structure and Function of an Ecosystem
In a food chain, the herbivores are represented by
(A) producers
(B) primary consumers
(C) secondary consumers
(D) decomposers
Concept: Ecological Pyramids
Explain energy pyramid
Concept: Ecological Pyramids
The abundance of phosphate, causing algal overgrowth resulting in depletion of oxygen and killing other aquatic life is known as --------------------------.
Concept: Biogeochemical Cycles (Nutrient Cycles)
