Number of species on earth
It is difficult to believe that there are
20,000 species of orchids,
20,000 species of ants
28,000 species of fishes and
about 3,00,000 species of beetles on earth,
According to IUCN
(International Union for Conservation of Nature and Natural resources) estimates number of animal and plant species, described so far,...
Thursday, May 31, 2018
Biodiversity and Conservation Notes P - 1 {NEET}
Biodiversity and Conservation
Definition
Biodiversity (Gk, bios-life; diversity-forms) or Biological diversity can be defined as the vast array of species of living organism present on the earth.
The term, ‘Biodiversity, was coined by WG Rosen (1985), but later Popularised by EO Wilson.
Due to difference in habitat and...
Tuesday, May 29, 2018
Ecology Quiz 2
Ecology Quiz 2
Topic Contains NCERT based questions.Ecosystem
The species that invade a bare area are called
Keystone
Extinct
Pioneer
Rare
PAR is
Photoperiod Active Radiation
Photoperiod Active Resources
Photosynthetically Active Radiation
Photosynthetically Active Resources
In Nature, the cleaners are
Decomposers
Carnivores
Consumers
Producers
Most...
Monday, May 28, 2018
Ecology McQ Questions

Ecology : Definition
is a branch of science which deals with the interactions among organism and their environment.
Some of the important ecological terms coined by Scientist:-
Terms ...