ORGANISMS AND POPULATIONS Set 2

Ecosystem is the interaction of

Populations evolve to maximise their reproductive fitness are also called

Ecologist say that niche is like a species ...A..., while habitat is like a ...B... there A and B indicate

Population interactions
Organism A   Organism B   Name of interaction
+                       +                    Mutualism
                                         A
+                                         Predation
+                                           B
+                        0                   Commensalism
                      0                     C
‘+’ sign for beneficial interaction
‘’ sign for harmful (detrimental) interaction
‘0’ sing for neutral interaction
Find out what could be and

Individual alive at the beginning of 1 year to 2 year age interval is 800. During this interval 200 individual die. Then find out the death rate

Temperature is very significant to the living beings because of

Mycorrhiza is a mutualistics association of plants root with fungi. The association occurs in

Autecology is the study of relationship between

Soil has five components. The proportions of different components are

Mine- ral Matter

Orga-nic Matter

Soil Mois ture

Soil Atmos phere

Soil Oragan- ism

'Cryptically-coloured' (camouflaged) is a technique through which prey can