The term 'New systematics' was introduced by

Halophytes are

Which one of the following statements is correct about biodiversity?

The common name of pea is simpler than its botanical (scientific) name $Pisum$ $sativum$. Why then is the simpler common name not used instead of the complex scientific/botanical name in biology?

$Nicotiana$ $sylvestris$ 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?

Which of the following scientists classified plants into groups based on their habitat?