Genetic drift operates in
small isolated population
large isolated population
fast reproductive population
slow reproductive population
A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is
ectoparasitism
symbiosis
commensalism
amensalism
Zero growth means
natality balance mortality
natality is more than mortality
natality is less than mortality
natality is zero
Population growth curve in most animals, except humans is
S-shaped
J-shaped
J-shaped with tail
S-shaped with tail
The term 'Niche' was first used by
Frederic Clements
Grinnell
Humboldt
Eugene Odum
Root cap is not found in
mesophytes
xerophytes
hydrophytes
halophytes
The maximum growth rate occurs in
stationary phase
senescent phase
lag phase
exponential phase
Analogous structures are a result of
Convergent evolution
shared ancestry
stabilising selection
divergent evolution
Study of environment and animal relation is
Ecosystem
Phytosociology
Biotic community
Ecology
Competition of species leads to
extinction
mutation
greater number of niches are formed
