The classification system based on evolutionary relationships between various organisms is known as:

Which of the following represents the contribution of Julian Huxley to the field of biology?

Which one of the following statements is correct about biodiversity?

To indicate their Latin origin,scientific names are printed in which style?

$Nicotiana$ $sylvestris$ flowers only during long days,while $N.$ $tobacum$ flowers only during short days. If raised in the laboratory under different photoperiods,they can be induced to flower at the same time and can be cross-fertilized to produce self-fertile offspring.
What is the best reason for considering $N.$ $sylvestris$ and $N.$ $tobacum$ to be separate species?

Who proposed the Binomial Nomenclature System?