Select the correct statement from the following:
Darwinian variations are small and directionless
Fitness is the end result of the ability to adapt and gets selected by nature
All mammals except whales and camels have seven cervical vertebrae
All mammals except whales and camels have seven cervical vertebrae
B.
Fitness is the end result of the ability to adapt and gets selected by nature
Fitness (survival of the fittest) is a result of selection and proliferation of only those organisms which were most suitably adapted to the environment and get selected by nature.
Which one of the following pairs of organisms are exotic species introduced in India?
ficus religiosa , lantana camara
lantana camara, water hyacinth
water hyacinth, prosopis cinereria
water hyacinth, prosopis cinereria
Two plants can be conclusively said to belong to the same species if they
can reproduce freely with each other and form seeds
have more than 90 per cent similar genes
look similar and possess identical secondary metabolites
look similar and possess identical secondary metabolites
The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for
responsiveness to touch
interaction with the environment and progressive evolution
reproduction
reproduction
Probiotics are
safe antibiotics
cancer inducing microbes
new kind of food allergens
new kind of food allergens
