Showing posts with label wild animals. Show all posts
Showing posts with label wild animals. Show all posts

Thursday, January 14, 2010

Dangerous Animals - Animals


Animals might be dangerous for your life!!!!!
Animals in our lives have a significant importance but we do not consider it as essential. This might interpret the importance in the way that they are useful for us in every way. The animals in other way are also dangerous for the humanity. The animals like, lion, tigers are thought to be man eaters. These are the kings of the jungles, then how can they do not eat up the human beings. The flesh eater animals are dangerous for the human beings. This is the reason for which they are kept in the cages. They are given more importance in that regard. These animals provide all sorts of distinctive features which provide all the animals with their different features. They are recognized to be efficient for their feature. This view to encounter all such animals which are preferred to be pets but sometimes when they are out of their mind, they behave in insane manner and can harm the human beings or can destroy the surroundings. For example; if a bull is kept as a pet in the countryside and is very familiar to the norms of his owner, then these may be very sufficient in that manner. But what if the bull goes crazy!? Of course, it will destroy the surroundings or the fields where the crops are ready to harvest. These are obviously the animals which harm the human beings in that regard. This provides the assurance for the capability to control such sort of animals. Animals like dogs, which are kept as pets, can also behave in the same manner as described above. The elephants are thought to be very friendly to the human beings, but when they tend to give more potential, they encounter the human beings in this way. Big Pythons on the countryside are also thought to be very dangerous in this regard.
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Wednesday, December 9, 2009

Animal - Animal Cells

animals, the animals, animal pictures, wild animals, baby animals, zoo animals



Animal cells are typical of the eukaryotic cell, enclosed by a plasma membrane and containing a membrane-bound nucleus and organelles. Unlike the eukaryotic cells of plants and fungi, animal cells do not have a cell wall. This feature was lost in the distant past by the single-celled organisms that gave rise to the kingdom Animalia. Most cells, both animal and plant, range in size between 1 and 100 micrometers and are thus visible only with the aid of a microscope.
The animal kingdom is unique among eukaryotic organisms because most animal tissues are bound together in an extracellular matrix by a triple helix of protein known as collagen. Plant and fungal cells are bound together in tissues or aggregations by other molecules, such as pectin. The fact that no other organisms utilize collagen in this manner is one of the indications that all animals arose from a common unicellular ancestor. Bones, shells, spicules, and other hardened structures are formed when the collagen-containing extracellular matrix between animal cells becomes calcified.Animals are a large and incredibly diverse group of organisms.
Centrioles: Centrioles are self-replicating organelles made up of nine bundles of microtubules and are found only in animal cells.
Cilia and Flagella: For single-celled eukaryotes, cilia and flagella are essential for the locomotion of individual organisms.
Endoplasmic Reticulum:The endoplasmic reticulum is a network of sacs that manufactures, processes, and transports chemical compounds for use inside and outside of the cell.
Endosomes and Endocytosis:Endosomes are membrane-bound vesicles, formed via a complex family of processes collectively known as endocytosis, and found in the cytoplasm of virtually every animal cell.
Golgi Apparatus:The Golgi apparatus is the distribution and shipping department for the cell's chemical products.
Nucleus: The nucleus is a highly specialized organelle that serves as the information processing and administrative center of the cell.
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