Hydra
(Science: organism) genus of freshwater coelenterates (cnidarians). They are small, solitary and only exist in the polyp form, which is a radially symmetrical cylinder that is attached to the substratum at one end and has a mouth surrounded by tentacles at the other. They have considerable powers of regeneration and have been used in studies on positional information in morphogenesis.
Hydra (Science: organism) genus of freshwater coelenterates (cnidarians). They are small, solitary and only exist in the polyp form, which is a radially symmetrical cylinder that is attached to the substratum at one end and has a mouth surrounded by tentacles at the other. They have considerable powers of regeneration and have been used in..
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..
This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..
Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
