A Smithsonian researcher led a team that discovered 18 new species of spiders in Madagascar that looked like pelicans. The spider is formally known as Archaeids which has an extended, arching carapace and two extra-long mouthparts, the chelicerate, which creates an illusion of a neck and a beak that gives the arachnid a pelican appearance. National Geographic described the spider as quiet as an owl, quick as a cobra, small as a grain of rice, and is more like a venomous pike when it strikes its prey. The Smithsonian noted that the purpose of the unusual appearance of the Archaeids is to make it prey hunting easier. The pelican spider eats only spiders, not other insects.
Structures of the male reproductive organ comprise; Scrotum –this structure is located outside the body, it is a loose pouch like sac of skin that hangs behind the penis. It contains many nerves, blood vessels as well as the testicles. The scrotum’s main function is to control the temperature of the testes to enable normal sperm development which requires rather cooler temperatures than that of the body. The scrotum has special muscles on the wall that allow it to contract and relax moving the testicles closer to the body for warmth or farther away from the body for cooler temperatures. Penis- the penis is also located outside the body and it has three parts; the roots that attach to the abdomen, the body and the head of the penis also called glans.
The second cetacean mammal i 'm going to be talking about is the bottlenose dolphin. These mammals are in fact the most common type of dolphins you can find.They are known to treat each other well and be kind social animals. Its proven that dolphins interact very nicely with
The isopods have three distinct regions such as the head, thorax and abdomen (CISEO). Their characteristic as for what they look like is their claws attached to their abdomen. Also, they have a pair of antennae, simply small eyes and seven pairs of appendages connected to their segmented thoracic region. They are differed by their stomach
We all know that there are lots of animals we are losing right now, but what’s the exact number of the endangered specie. It’s a very hard questions for scientists to answer, we have not explored the whole nature, and we are still discovering new species all the time. There is one description form World Resource Institute: "Scientists were startled in 1980 by the discovery of a tremendous diversity of insects in tropical forests. In one study of just 19 trees in Panama, 80% of the 1,200 beetle species discovered were previously unknown to science... Surprisingly, scientists have a better understanding of how many stars there are in the galaxy than how many species there are on Earth."
The scolex ,with its four powerful suckers, is followed by a long, slender neck.Mature segments are slightly wider than long ,whereas gravid ones are much longer than wide. The spherical eggs are characteristics of Taeniidae . A thin ,hyaline ,outer membrane is usually lost by the time the egg is voided with the feces. Life cycle Taenia saginata causes an infection called taeniasis. It is commonly known as the beef tapeworm or cattle tapeworm owing to cows as their intermediate hosts.
Large, active insects like grasshoppers, forcibly ventilate their tracheae. Contraction of muscles in the abdomen compresses the internal organs and forces air out of the tracheae. As the muscles relax, the abdomen springs back to its normal volume and air is drawn in. Large air sacs attached to portions of the main tracheal tubes increase the effectiveness of this bellows like
Just before the pupa arrange the cushions are constrained out by the haemolymph, bug "blood," and when the hatchling has shed the exoskeleton to frame the pupa, the wings are unequivocally connected to the body. Kalman (2002) claimed each caterpillar has a spinneret under
World's Deadliest Snakes Ranked Alternative Titles: - 10 Deadliest Snakes In The World - A Ranking of The 10 Most Venomous Snakes In The World - 10 Most Venomous Snakes In The World Ranked - These 10 Deadliest Snakes In The World Are The Stuff Of Your Nightmares -Top 10 Deadliest Snakes In The Planet. You Should See #4! Keywords: Most venomous snakes in the world Metadata: Around 25% of the snakes' total population are classified to be venomous. Featured Photo: https://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Crotalus_cerastes_mesquite_springs_CA.JPG/1280px-Crotalus_cerastes_mesquite_springs_CA.JPG -------- Snakes are probably the most feared animals in the world, and there's no judgment in that because snakes
a) Inguinal hernia: Here the abdominal contents protrude through the inguinal canal (passage in the lower abdominal wall just above the inguinal ligament.It is seen on either side).This type is common in males.Initially the swelling comes only while straining and goes back while lying down. Later the large portion of intestine may come out which may not go back easily. b) Femoral hernia: This type of hernia is more in females.Here the abdominal contents pass through the femoral canal which is seen just below the junction between the thigh and lower abdominal wall(Inside the femoral triangle).The contents pass downwards and comes out through saphenous opening in the thigh and forms a swelling under the