মঙ্গলবার, ৬ সেপ্টেম্বর, ২০১১

Lobster Biology

Lobsters are invertebrates, crustaceans belonging to the class of the phylum Arthropoda. There are two different families of lobsters existing in the United States. They are the American lobster and crayfish. American lobster lobster claws, which are classified under the taxonomic family Nephropidae or large marine crustaceans. Lobsters have no claws, but with a pair of horns above the eyes can see. You can find five pairs of jointed legs in aLobster. They come in a variety of colors, sizes and shapes. Their sizes range 1-12 inches.

Add the basic parts of a lobster's abdomen, antennules, antennae, crusher claw pincher claw, tanks, cephalothorax, pereiopod, eye, maxilliped, telson, uropods and lower jaw.

Abdomen is the tail of the lobster, which is composed of seven segments. Antennae are sensory organs that act as chemoreceptors. Antennules help to perceive odors away. The exteriorShell called the carapace of the cephalothorax. Cephalothorax, is one of the most important parts of a lobster and the tank covered. It consists of the head and chest. The claws are larger crusher claw as mentioned. These are very useful for crushing prey. Ripper or pincher claws, the claws are smaller. A lobster has a pair of compound eyes that provide the sense of sight. The functions of the mandible and maxilliped have the power and destroy his food. Pereiopod are two types of legs, feetsuitable for digging. Central tail fin is called telson and outer pair of tail fins known as uropods.

Lobsters live in caves in muddy areas on the ocean floor. Smaller than lobsterette called. Like all arthropods, lobsters must be dumb to grow, so that they are vulnerable at this time. Most lobsters are carnivorous and feed on molluscs, carrion, clams, snails, worms, sea urchins, lobsters and others.

Like the grasshopper, the nervous systema lobster is very primitive. More than 100,000 neurons are in a Hummer. Usually the color of his blood is grayish. The large blood vessels circulate blood from the heart that lies behind the stomach. Lobsters take in oxygen from the water through the gills will be removed in the chest, the lobster. "

Source: http://education-biology.chailit.com/lobster-biology.html

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