Read the following statements :
(A) Tropics harbour more species than temperate or polar areas.
(B) Colombia located near the equator has nearly 1400 species of birds.
(C ) India has less tha 105 species of birds.

Assertion: With few exceptions, tropics harbour more species than temperate or polar areas. Reason: Species diversity decreases as we move away from the equator towards the poles.

Fill in the blanks : 1. In general, species diversity …a…. As we move away from euator towards the poles. 2. With very few exceptions, tropics harbour ….b… species than temperate or polar areas. 3. A forest in a torpical region like Equador has up ...c... as many species of ....d... as a forest of equal area in a temperate region like the Midwest of the USA.

Select the incorrect statement: (a) species diversity increases as we move from the poles towards the equator. (b) The number of species in tropical rain forests is minimum. (c) Columbia has nearly 1400 species of birds. (d) Diversity of communities over a landscape is termed as .. diversity.

Fill in the blanks with suitable words in following statements. (i) Colombia located near the equator has about…….. Species of birds. (ii) More than 1,25,000 species of………. have been reported in Aamzonian rain forest. (iii) Favourable and less seasonal enviroments has helped.............organism to gain more niche specialisation. (iv) Value of slope of regression (Z) of species-area relationship lies in the range of............molluscs in New York state.

Fill in the blanks with suitable words in following statements. (i) Colombia located near the equator has about…….. Species of birds. (ii) More than 1,25,000 species of………. have been reported in Aamzonian rain forest. (iii) Favourable and less seasonal enviroments has helped.............organism to gain more niche specialisation. (iv) Value of slope of regression (Z) of species-area relationship lies in the range of............molluscs in New York state.

In general , species diversity ...............as we move away from the equator towards the poles and with very few exceptions, tropics harbor ............... species than temperate or polar areas. (1) a -increases , b-less (2) a -decreases , b-more (3) a -increases , b-more (4) a -decreases, b- less

Read the following statements : (A) India has a greater ecosystem diversity than Norway. (B) According to the IUCN (2004), the total number of plant and animal species described so far is slightly more than 15 millions.

Read the following statements : (A) India has a greater ecosystem diversity than Norway. (B) According to the IUCN (2004), the total number of plant and animal species described so far is slightly more than 15 millions.

Read the following statements. (A) Each genus may have one or more than one specific epithet. (B) Genera are aggregates of closely related species. (C) Family has a group of related genera with still more number of similarities as compared to genus and species. How many statements are correct and incorrect from these ?