Why do you call jasmine plant, a twiner?'

Why do you call some plant as fossil plants

When do you call the perforation plate in vessels as simple ?

Why do you call cockroach a pest?

Why do you call ATP as universal energy currency of cell?

Why do certain plants climb ?

Why do we call some strains of bacteria as 'super bug'?

If meat eating animals are called as carnivores, how do you call the animals that thrives mostly on fruits?