Harmful Aspects of Algae | Biology Teach

Algae

In This Article, we discuss the harmful aspects of algae like how algae affect different life forms and cause water pollution. Usually, the excessive growth of algae in a mass or in a large area, especially in the plankton’s or floating form, may cause … Read more

Classification of gymnosperms-Characters,Life cycle,Imp..

Introduction: As the name suggests, the division spermatophyte (sperma=seed, phyton=plant) includes all the seed-bearing plants. It has been divided into two sub-divisions The sub-division Gymnosperms (gymnos=naked, sperma=seed) includes simpler and primitive plants of the division Spermatophyta. They are characterized by … Read more

Monotropoid Mycorrhizae Structure, Development and Function

Monotropoid-mycorrhizas

Monotropoid mycorrhizae, in common with arbutoid mycorrhizas, share features typical of ectomycorrhizas and ectendomycorhizas. Monotropoid mycorrhizas have a mantle that is sometimes very thick, and a Hartig net confined to the epidermis (para epidermal). Although the plant species that form … Read more

Lichen | symbiotic organism | Composition, Types

Lichens

Lichens are composite organisms that consist of a symbiotic relationship between a fungus and a photosynthetic partner, either a cyanobacterium or algae. The fungus provides structural support and protection for the photosynthetic partner, while the photosynthetic partner provides energy for … Read more

The angiosperm life cycle -Life cycle of a Typical Angiosperm

Angiosperm-Life-Cycle

During the development of a flower bud, a single megaspore mother cell in the ovule undergoes meiosis, producing four mega-spores (figure ). In most flowering plants, three of the megaspores soon disappear; the nucleus of the remaining mega-spore divides mitotically, and … Read more