Respuesta :

250,000 species have been found in the environment.

Answer: 250, 000

Explanation: There are actually more number of species known than this option. That is why, option 4 is the most suitable answer.

Angiosperms are the plants which produce seeds and the reproductive structures are present in the flowers. This group contains small plants [herbs], aquatic plant [submerged], trees and epiphytes.