Biology

Dieback is a disease of the plant due to the deficiency of sulfur, which causes the tip of the stem to die.

Hierarchy is the process of arranging various organisms into successive levels of the biological classification either in a decreasing or an increasing order from kingdom to species and vice versa. Each level of the hierarchy is called the taxonomic category or rank. The biological levels of organization of living things arranged from the simplest to … Read more

Histology is the scientific study of biological tissues. Histology is the microscopic study of the structure of biological tissues using special staining techniques combined with light and electron microscopy. Histology is the study of the microscopic structures of cells and tissues of plants and animals.

The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated like animals.

A prokaryotic cell does not contain a true nucleus. This is why it is called a cell with a primitive type of nucleus. The term nucleotide fits nicely in this case. Nuclear materials in a prokaryotic cell are not surrounded by a nuclear membrane. They are dispersed in their cytoplasm. Though the cell organelles such … Read more

What is zooplankton? Zooplankton are small aquatic organisms that are found in both saltwater and freshwater environments. They are tiny, mostly measuring less than 1 millimeter in length, and can be classified into three main groups: holoplankton, which spends their entire lives in the water column; meroplankton, which spend only part of their lives in the … Read more

Bactria is a prokaryotic and unicellular microscopic organism. It does have only chromatin in its cell but no nucleus or nuclear membrane. Besides, a bacteria cell also has a ribosome but nothing else. These are the characteristics of the species belongs to the Monera Kingdom.