The principle of competitive exclusion was stated by
C Darwin
GF Gause
MacArthur
Verhuisd and Pearl
The organisms inhabiting a common environment belong to the same
species
genus
population
community
The term 'Niche' was first used by
Frederic Clements
Grinnell
Humboldt
Eugene Odum
If '+' sign is assigned to beneficial interaction, '-' sign to detrimental and '0' sign to neutral interaction, then the population interaction represented by '+' '-' refers to
Mutualism
Amensalism
Commensalism
Parasitism
Competition of species leads to
extinction
mutation
greater number of niches are formed
symbiosis
The soil with poorest water holding capacity is
clay
loam
sandy
None of these
Population growth curve in most animals, except humans is
S-shaped
J-shaped
J-shaped with tail
S-shaped with tail
The soil, which is transported by wind is known as
colluvial
eolian
alluvial
glacial
Zero growth means
natality balance mortality
natality is more than mortality
natality is less than mortality
natality is zero
Pedology refers to the study of
soil
water
fossils