Correct Answer: Gymnosperms

Solution : The correct option is Gymnosperms .

Algae are photosynthetic creatures that include green (Chlorophyceae), brown (Phaeophyceae), and red (Rhodophyceae) algae, as well as diatoms, dinoflagellates, cyanobacteria (blue-green algae), and others that are ecologically and industrially important. Gymnosperms are a prominent division of the Plant kingdom that bears 'naked seed'. They include conifers, cycads, and ginkgoes and typically have exposed seeds on cones or similar structures.