A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is
ectoparasitism
symbiosis
commensalism
amensalism
Competition of species leads to
extinction
mutation
greater number of niches are formed
Population growth curve in most animals, except humans is
S-shaped
J-shaped
J-shaped with tail
S-shaped with tail
Hydrophytes are characterized by
presence of sclerenchyma
presence of aerenchyma
absence of aerenchyma
presence of root nodules
The age of pyramid with broad base indicates
high percentage of young individuals
low percentage of young individuals
high percentage of old individuals
low percentage of old individuals
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
Study of environment and animal relation is
Ecosystem
Phytosociology
Biotic community
Ecology
Pedology refers to the study of
soil
water
fossils
Root cap is not found in
mesophytes
xerophytes
hydrophytes
halophytes
