Q1 of 805 Page 1

What is “fitness of an individual” according to Darwin?

According to Darwin, “fitness of an individual” ultimately refers to the reproductive fitness which signifies the ability of the individual to leave more progeny in comparison to others. It can be summarized as the end result of the ability of an induvial or a population to adapt and get selected by nature.


More from this chapter

All 805 →
25

State and explain the “law of independent assortment” in a typical Mendelian dihybrid cross.

OR


(a) How do the observations made during moth collection in pre- and postindustrialized era in England support evolution by Natural Selection ?


(b) Explain the phenomenon that is well represented by Darwin’s finches other than natural selection.


 26

(a) What is an age-pyramid ?

(b) Name three representative kinds of age-pyramids for human population and list the characteristics for each one of them.


OR


Discuss the role of healthy ecosystem services as a pre-requisite for a wide range of economic, environmental and aesthetic goods and services.


 6

By taking two examples explain how bio-fortification has helped in improving food quality.

 8

How does the application of cyanobacteria help improve agriculture output?