Kingdoms of Life Assignment Example | Topics and Well Written Essays - 1250 words

Kingdoms of Life - Assignment Example Life cycle of malaria parasite consists of two hosts. In the process of blood meal, female Anopheles mosquito that is malaria-infected injects sporozoites into its host (human) (stage 1). Inoculated sporozoites then infect cells of the liver (stage 2) and develop into schizonts (stage 3), which finally burst and discharge merozoites (stage 4). Merozoites are responsible for infections in red blood cells. RhizopusThe life cycle of Rhizopus nigricans (black bread mold) is identical with several members of phylum Zygomycota. Mold experiences both frequent periods of sexual and asexual reproduction. Gametangia combine (fuse) in the first reproduction stage (sexual). The results from these fusions are Zygosporangium, which then forms a dense coat awaiting favorable conditions to proceed further with development. Favorable conditions will give way for germination of zygosporangium into sporangium. Finally, asexual reproduction follows. In asexual reproduction, sporangium produces spores, w hich are ultimately dispersed. FernFerns have sporangia that are responsible for production of spores (stage 1). Through meiosis, spores, signified by half the chromosomes of parent plant, are produced (stage 2). Produced spores are then released to the air. In case they land on soil with suitable growing conditions, they develop into gametophytes (which are entirely separate fern plants). FrogThe life cycle begins with mating process-commonly referred to as amplexus (stage 1). The process can last a number of days.