abida Archive
Scientific classification Kingdom: Emu Division: Zveomveota Class: Zveomvcetes Order: Mucorsdes Family: Mucoraceae Genus: Mucor Occurrence Minor is a genus of about 3000 species of moulds. . It is a common saprophytic fungus. It grows on dead organic materit I. It is commonly
Occurrence of fungi Fungi are found in wide variety of habitats. These habitats are water, soil, dead and decaying organic matter. Fungi are heterotrophic. The./ cannot synthesize their food. Therefore, they get their food from different sources. Fungi may be: I. 3aprophytes: These fungi
TERMS , DEFINITIONS t Epiphytes These algae grow on the surface cf other plants. Phyloplankton The free floating algae are phytoplankton. Endophytes These algae live inside the other plants Cennobia Some colonies have definite number of cells. Such colonies are called coenobia. He
Occurrence Polysiphonia is a marine alga. It is present along the coast of oceans. It is attached to the rocks or other substratum. Some members are epiphytes. General structure Vegetative structure Plan body is composed of branched filamentous and basal attachment disc. Attachment discs:
Batrachospermum life cycle Occurrence Batrachospermum is fresh water alga. It is found in clear, cool and running streams. Deep water plants are dark violet or reddish in colour. But the shallow water species are olive green. The intensity of light changes the colour of
Occurrence Ectocarpus is a brown alga. It is abundantly found throughout the world in cold waters. A few species occur in fresh waters. The plant grows attached to rocks and stones along coasts. Some species are epiphytes on other algae like members of Fucales
Occurrence Laminaria is found along coasts of oceans. Most of the species are perennial. Vegetative structure Plant body The plant body is sporophyte. The sporophyte is differentiated into three parts: holdfast, stipe and blade. The holdfast is a system of forked root like branches
Occurrence Pinnularia is a fresh water alga. It is found in pond. It is also present on the moist soil It is unicellular. Its cell is elongated and elliptical. Cell wall is chiefly composed of pectic substances. Silica is impregnated in it. Therefore, their
Occurrence: Diatoms are aquatic. They are both marine and fresh water. They form brownish scum on the surface of mud and ponds. Diatoms are abundant during spring and autumn months. They are mostly planktons. Some are attached to the substratum. Vegetative structure: Diatoms are
Occurrence Majority of them are fresh water. They are also found on moist soil. They form dark green mats. Fig: Thallus of Vaucheria General structure Vegetative structure The thallus is filamentous. The filament is cylindrical, branched, tubvlar, erect coenocytic. The filament is attached to
