5.1 Kliimamuutus.................................................................................................13 3.5.2 Elektromagnetkiirgus.....................................................................................13 3.5.3 Antibiootikumid ja lestaliste mürgid..............................................................13 3.5.4 Geneetiliselt muundatud organismid..............................................................14 3.6 Nosema ceranae ja DNA invertebrate iridescent virus tüüp 6 kombinatsioon 14 4.Minu arvamus............................................................................................................15 5. Kokkuvõte................................................................................................................16 Kasutatud kirjandus......................................................................................................17
During a cats' lifetime, illness and injury can cause variations in eye colour, but there is no truth in the old wives' tale that feeding a cat on fish will cause its eyes to change colour! That tale is due to old wives weaning kittens (probably onto boiled fish in the days before commercial cat foods) around the time the eye colour naturally changed. There is also some pigmentation on the inside of the eye and a highly reflective area behind the retina called the Tapetum Lucidum. This is an iridescent layer of tissue that reflects light back through the eye. and helps cats see in low light - it also causes eye shine in flash photos. Most blue-eyed white cats lack the Tapetum Lucidum; their eyes reflect a dull red colour (caused by the blood vessels) rather than an iridescent eye-shine. THE BLUES Kittens are born with blue eyes and this is not a guide to their adult eye colour! In a few breeds, the blue colour is permanent, but in most it will be replaced by another colour starting
hand, and then deliberately returned to tracing the lines in his hand with my fingertip. I looked up and smiled timidly. His answering smile was dazzling. "So where were we, before I behaved so rudely?" he asked in the gentle cadences of an earlier century. "I honestly can't remember." He smiled, but his face was ashamed. "I think we were talking about why you were afraid, besides the obvious reason." "Oh, right." "Well?" I looked down at his hand and doodled aimlessly across his smooth, iridescent palm. The seconds ticked by. "How easily frustrated I am," he sighed. I looked into his eyes, abruptly grasping that this was every bit as new to him as it was to me. As many years of unfathomable experience as he had, this was hard for him, too. I took courage from that thought. "I was afraid... because, for, well, obvious reasons, I can't stay with you. And I'm afraid that I'd like to stay with you, much more than I should." I looked down at his hands as I spoke. It was difficult for me to
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