From which observations Darwin arrived at the conclusion. "Struggle for Existence" ?

State a short note on struggle for existence.

Who first used the term "Struggle for existence" ?

How did Rutherford arrive at the conclusion that the volume occupied by the nucleus is negligibly small as compared to the total volume of the atom?

A good number of Tilapia fishes are released in a pond having only different indigenous fish species grown naturally. Think and write which type of struggle for existence Tilapia fishes have to face survive.

A good number of Tilapia fishes are released in a pond having only different indigenous fish species grown naturally. Think and write which type of struggle for existence Tilapia fishes have to face to live in that pond.

From the ratio 9:3:3:1, Mendel reached in what conclusion?

Decide whether the following statements are True or False Variation takes place due to struggle for existence.

Given : 1 = Natural selection , 2 = Variations and their inheritance , 3 = Survival of the fittest , 4 = struggle for existence According the Darwinism, which of the following represents the correct squence of events in the origin of new species ?

Which one of the following is the intraspecific struggle for the same food -