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1. Mobile Phone
A mobile phone (also known as a wireless phone, or
cellular telephone) is a very small portable radio telephone.
The mobile phone can be used to communicate over
long distances without wires. It works by communicating with a nearby base
station (also called a "cell site") which connects it to the main
phone network. As the mobile phone moves around, if the mobile phone gets too
far away from the cell it is connected to, that cell sends a message to another
cell to tell the new cell to take over the call. This is called a "hand
off," and the call continues with the new cell the phone is connected to.
The hand-off is done so well and carefully that the user will usually never
even know that the call was transferred to another cell.
As mobile phones became more popular, they began to
cost less money, and more people could afford them. Monthly plans became
available for rates as low as US$30 or US$40 a month. Cell phones have become
so cheap to own that they have mostly replaced pay phones and phone booths
except for urban areas with many people.
2. Otter
Otter is a common name for a carnivorous mammal in
the subfamily Lutrinae. The 13 extant otter species are all semiaquatic,
aquatic or marine, with diets based on fish and invertebrates. Lutrinae is a
branch of the weasel family Mustelidae, which also includes badgers, honey
badgers, martens, minks, polecats, weasels and wolverines.
The word otter derives from the Old English word
otor or oter. This, and cognate words in other Indo-European languages,
ultimately stem from the Proto-Indo-European language root *wódr̥,
which also gave rise to the English word "water".
An otter's den is called a Holt or Couch. Male
otters are called dogs or boars, females are called bitches or sows, and their
offspring are called pups.The collective nouns for otters are bevy, family,
lodge, romp (being descriptive of their often playful nature) or, when in
water, raft.
3. Village
A village is a clustered human settlement or
community, larger than a hamlet but smaller than a town, with a population
ranging from a few hundred to a few thousand. Though often located in rural
areas, the term urban village is also applied to certain urban neighbourhoods.
Villages are normally permanent, with fixed dwellings; however, transient
villages can occur. Further, the dwellings of a village are fairly close to one
another, not scattered broadly over the landscape, as a dispersed settlement.
Although many patterns of village life have existed,
the typical village was small, consisting of perhaps 5 to 30 families. Homes
were situated together for sociability and defence, and land surrounding the
living quarters was farmed.
4. Elephant
Elephants are large mammals of the family
Elephantidae and the order Proboscidea. Two species are traditionally
recognised, the African elephant (Loxodonta africana) and the Asian elephant
(Elephas maximus), although some evidence suggests that African bush elephants
and African forest elephants are separate species (L. africana and L. cyclotis
respectively). Elephants are scattered throughout sub-Saharan Africa, South
Asia, and Southeast Asia. Elephantidae is the only surviving family of the
order Proboscidea; other, now extinct, members of the order include
deinotheres, gomphotheres, mammoths, and mastodons. Male African elephants are
the largest extant terrestrial animals and can reach a height of 4 m (13 ft)
and weigh 7,000 kg (15,000 lb).
All elephants have several distinctive features the
most notable of which is a long trunk or proboscis, used for many purposes,
particularly breathing, lifting water and grasping objects. Their incisors grow
into tusks, which can serve as weapons and as tools for moving objects and
digging. Elephants’ large ear flaps help to control their body temperature.
Their pillar-like legs can carry their great weight. African elephants have
larger ears and concave backs while Asian elephants have smaller ears and
convex or level backs
5. Penguin
Penguins (order Sphenisciformes, family
Spheniscidae) are a group of aquatic, flightless birds living almost
exclusively in the Southern Hemisphere, especially in Antarctica. Highly
adapted for life in the water, penguins have countershaded dark and white
plumage, and their wings have evolved into flippers. Most penguins feed on
krill, fish, squid and other forms of sealife caught while swimming underwater.
They spend about half of their lives on land and half in the oceans.
Although all penguin species are native to the
Southern Hemisphere, they are not found only in cold climates, such as
Antarctica. In fact, only a few species of penguin live so far south. Several
species are found in the temperate zone, and one species, the Galápagos penguin,
lives near the equator.
