Recently in science class we learned about symbiosis. One symbiotic relationship is human and head lice. This is a form of parasitism and the host, the human, is harmed by this parasite. The head lice need to drink blood within 24 hours or they starve to death. If the head life starve to death the population of head lice will decrease. The flat bodied parasites attach their nits or eggs to their hosts scalp and soon the nits hatch into nymphs and later the nymphs turn into full grown adults. They will grow larger in size from the blood they drink. These wingless insects have claws on their legs that grip hold on their hosts scalp. The nits on the human scalp can be easily mistaken for hair spray droplets or even dandruff and that is why it may take a while for the human to find them. Once the human does find the lice they can be removen with shampoo or creme rinses. Overall, this is an important relationship in nature.
Picture-
No comments:
Post a Comment