Who defined ecology as the study of structure and function of nature
Haeckel
E.P. Odum
R. Misra
Taylor
The equilibrium of the species is disturbed by
Organisms occupying similar ecological niche but different geographical areas of distribution are called as
In a pond, we see plants which are free-floating; rooted - submerged; rooted emergent; rooted with floating leaves. Write the type of plants against each of them.
Plant Name | Type |
$(1)$ Hydrilla | .................... |
$(2)$ Typha | .................... |
$(3)$ Nymphaea | .................... |
$(4)$ Lemna | .................... |
$(5)$ Vallisnaria | .................... |
The closely related morphologically similar sympatric populations, but reproductively isolated, are designated as
The light intensity can be measured by