Recapitulation is a bold and influential idea that is particularly associated with Ernst Haeckel though many other biologists also supported it in the nineteenth and early twentieth centuries. According to the theory of recapitulation, the stages of an organism’s development correspond to the species’ phylogenetic history- in a phrase, “ontogeny recapitulates phylogeny.” Each stage in development corresponds to (that is, [...]
Here is a list of some essays on disease causing bacteria in humans. Also learn about about its prevention and control. Essay # 1. Diplococcus: The pneumococcus (Diplococcus pneumoniae) is the causative agent of lobar pneumonia. The disease is nearly always caused by this organism, although other bacteria are occasionally involved. Diplococcus Pneumonia: Cells oval or spherical, measuring 0.5 to [...]
Here is an essay on ‘Bacteria and Human Disease’ for class 11 and 12. Find paragraphs, long and short essays on ‘Bacteria and Human Disease’ especially written for school and college students. Essay on Bacteria and Human Disease Essay # 1. Brucella Abortus: Cells short ellipsoidal rods, occurring singly, in pairs, and occasionally in chains, measuring 0.3 to 0.4 μ [...]