Previous studies have revealed cryptic Ottelia species in Asia, but very little is known … George Bentham (1800-1884) and Joseph Dalton Hooker’s (1817-1911) System. Background. Botanist # 1. The family has a cosmopolitan distribution … Our hypothesis of significant change in spectral reflectance caused by lowered salinities was confirmed. The family includes both fresh and marine aquatics and exhibits great diversity in form and habit including annual and perennial life histories; submersed, partially submersed and floating leaf habits and linear to orbicular leaf shapes. Hydrocharitaceae is a fully aquatic monocot family, consists of 18 genera with approximately 120 species. CELLS AFFECTED BY BREAST CANCER Brest cancer affects many men and woman around the world. Affinities. Distribution of Sapindaceae 3. Theophrastus (370-287 BC) 2. Broadly, Biology is categorized as Zoology (i.e. The anther lobes are fused together by the connective tissue […] ADVERTISEMENTS: List of four eminent botanists who contributed to artificial system of plant classification:- 1. Theophrastus (370-287 BC): He was a Greek naturalist and pupil of Plato and Aristotle. Characters of Sapindaceae 2. Based on […] ADVERTISEMENTS: In this article we will discuss about the anatomy of anther. 1. ADVERTISEMENTS: In this article we will discuss about:- 1. Elodea, genus of five or six species of submerged aquatic plants in the frog’s-bit family (Hydrocharitaceae), useful in aquariums and in laboratory demonstrations of cellular activities. study of Animalia Kingdom) and Botany (i.e. The family includes both fresh and marine aquatics and exhibits great diversity in form and habit including annual and perennial life histories; submersed, partially submersed and floating leaf habits and linear to orbicular leaf shapes. In its given premises, biology includes a wide range of topics such as physiology, morphology, anatomy, behavior, origin, distribution, etc. Biology is one of the disciplines of science under which, we study about the various aspects of living organisms. Carolus Linnaeus (1707-1778) 4. Cancer cells are cause by uncontrolled cell growth, and other risk factors. Characters of Sapindaceae: Trees, shrubs or climbers usually pinnate leaves, the spring like circinately, coiled tendrils of lianous genera. A taxonomic revision of the genus Hydrilla (Hydrocharitaceae) is presented with a full description, diagnosis, synonyms with typifications, distribution maps and illustrations, also including information on ecology, floral biology, anatomy, embryology, chromosomes, genetics, variation and applied aspects with a rather extensive bibliography.Hydrilla is considered to be monotypic; however, … John Ray (1627-1705) 3. This record documents range expansion to the Caribbean mainland, and first observation of male flowers, of this introduced seagrass, which until April 2013 was only reported at several Caribbean islands. In addition, the seagrass spectral reflectance changes at low salinities were comparable to changes measured in birch and fir under stress. Revealing cryptic diversity is of great importance for effective conservation and understanding macroevolution and ecology of plants. Some Cells affected by breast cancer are cells that are lining the milk ducts. study of Plantae Kingdom). Economic Importance 4. The occurrence of the introduced seagrass Halophila stipulacea (Hydrocharitaceae) is reported for Puerto Azul, Playa Mansa, Venezuela. Elodea plants are native to the New World, though a number of species have established themselves as invasive Ottelia, a typical example of aquatic plants, possesses extremely variable morphology and the presence of cryptic diversity makes its classification problematic. Hydrocharitaceae is a fully aquatic monocot family, consists of 18 genera with approximately 120 species. The anther normally consists of two lobes, each with two elongated microsporangia or pollen sacs. Anther Initiation: The dynamics of anther development and differentiation depend on the co-operative interactions between cell populations. DISCUSSION Low salinity effects on Thalassia testudinum spectral reflectance measurements and indices. BIOLOGY DISCUSSION ASSIGMENT 4 1.