دینا فایل / بيولوژي ،اكولوژي كژدم ها وپيشگيري از گزش آنها
بيولوژي ،اكولوژي كژدم ها وپيشگيري از گزش آنها
بيولوژي ،اكولوژي كژدم ها وپيشگيري از گزش آنها
حجم فایل : 2.6 MB نوع فایل : پاور پوینت تعداد اسلاید ها : 64 بنام خداوند جان و خردبيولوژي ،اكولوژي كژدم ها وپيشگيري از گزش آنها D.R.D Scorpions, which are grouped in the phylum Arthropoda .scorpion has a flattened elongated body and can easily hide in cracks. scorpion has a segmented tail that has a poisonous spike at the end. Scorpion stings are a major public health problem in many underdeveloped tropical countries, especially Africa, South India, the Middle East, Mexico, and South Latin America. The estimated annual number of scorpion stings is 1.2 million.An estimated 5000 deaths occur annually from scorpion stings worldwide Distribution Scorpions have a world-wide distribution, being found...