What are species?

What is species area relationship ?

The group fungi has more species than all the vertebrate species combined.

What are the species formed by homolytic cleayageof C— C bond of ethane molecule? Write- the order of stability of the following and give reason :- overset+(C)H_2, (H_3C)_2 overset+((C)H_3)_3overset+C .

What are threatened species ? Name three categories of threatened species.

What are isoelectronic species? Name one isoelectronic species for (i) F^(-) , (ii) Ar (iii) Mg^(2+) , (iv) Rb^(+) .

Species very near to extinction if conservation measures are not promptly taken is (a) Threatened species (b) Rare species (c) Endangered species (d) Vulnerable species

In Botanical nomenclature of plants (a) Both genus and species are printed in italics (b) Genus and species may be of same name (c) Both in genus and species the first letter is capital (d) Genus is written after the species

What is self-incompatibility? Why does self-pollination not lead to seed formation in self-incompatible species?

The tallest tree species of the gymnosperms is

True species are