SOME BIOLOGY FACTS



1.   The synthetic biological cell "Synthia" is the first living organism whose parent is not a living thing but a computer.


2.    Humans share 60% of DNA with a banana.


3.    The femur (thigh bone) is the largest and longest bone in the human body.


4.    The jaw is the strongest muscle in the human body in terms of exerting force.
 
5.    An adult Mayfly's life is as short as a few minutes, but its body hatches for about a year.


6.   Do you know that you can lose up to a quarter of your blood and still survive ? However, if you lose more than this amount, you would need the blood transfusion.
 
7.   A human adult has about six liters of blood in his / her body.
 
8.   A human adult can donate blood once every six months without suffering any ill effects because the body itself replaces the lost blood.
 
9.    An ostrich egg is also the largest existing single cell.
 
10.                 A kind of jellyfish (Turritopsis nutricula) upon reaching adulthood can transform itself back to childhood by converting its cells. It may repeat this to live forever.


11.                 To avoid predators, a mother Slow Loris licks its offspring with poison before sending them off to search for food.
 
12.                 The nails on long fingers grow faster than short fingers; and fingernails grow four times faster than toenails.
 
13.                 There's about 1.8m (6 ft) long DNA inside every cell nucleus in our body, and an average adult body contains around 50 trillion (million million) cells.
 
14.                The human heart is an incredible organ and weighs approximately 300 grams. During an average lifetime, the heart beats approximately 2.5 billion times and pumps about 300 million liters of blood.
 
15.                 Some migratory birds have a "magnetic compass" in their body (a sense called Magnetoreception) to help them navigate using Earth's magnetic field.
 
16.                Do you know that British sailors were also known as Limeys? This was because they were given lime juice to drink every day to prevent scurvy. It’s a good idea for you too to drink lime juice every day, as it is a rich source of Vitamin C, which protects you from various diseases.
 
17.                 The catfish father keeps the eggs in his mouth until they are ready to be hatched.
 
18.                 The tiny Water Bear (Tardigrade) can survive environments extreme enough to kill any other animal - with temperatures as low as -273°C close to Absolute Zero to as high as 151°C.
 
19.                Corneas are the only tissues that don't require blood.
 
20.                The Giant Kelp algea (Macrocystis pyrifera) is the fastest growing organism on earth and can grow at a rate of 70cm (two feet) a day
 
21.                Dolphins only "sleep" half awake - keeping one eye open while consciously breathing and floating on surface.
 
22.                The length between your elbow and hand (forearm) equals the length of your foot.
 
23.                If you fully stretch your arms out, the fingertip to fingertip length is almost exactly your body height.
 
24.                The lightest organ in the human body is the lung.
 
25.                The fungus Cordyceps is able to "mind-control" other insects like ants to climb plants and attach there to become its food.
 
26.                The biggest egg in the world is the ostrich egg. It could take as many as 30 chicken eggs to equal its volume, and up to 2 hours to hard boil.
 
27.                The largest frog in the world is The Goliath Frog of Gabon in West Africa and can grow as big as 33cm long and up to 3kg heavy.
 
28.                When the queen of a clownfish school dies, a male clownfish changes its gender to become female and takes her place.
 
29.                The life of an eyelash is about 5 months.
 
30.                The Horseshoe crab has blue blood.
 
31.                The nerves in our body are most concentrated in our fingertips.
 
32.                Dolphins cannot stay long underwater because they breathe through their blowholes above water.
 
33.                The most poisonous snake in the world is Belcher's Sea Snake or the Faint-banded Sea Snake (Hydrophis belcheri).
 
34.                Turtles and sea cucumbers can breathe through their butts.
 
35.                The cow has four stomachs, as most ruminant mammals do.
 
36.                 The little Alaskan Wood Frog is capable of reviving itself back to normal life after staying completely frozen for months, during which its heart, brain and other organs stop functioning.
 
37.                Some species of earthworm can have as many as 10 hearts.
 
38.                There are more species of fish in Amazon river than in the entire Atlantic Ocean (Over 2,000).
 
39.                Chameleons often have tongues longer than their bodies.
 
40.                A worm is both male and female at the same time (a hermaphrodite.)
 
41.                Dolphins and whales are mammals that don't drink water.
 
42.                Sheeps, goats and the octopus have almost rectangular-oval pupils in their eyes.
 
43.                Giraffes could pass out with blood filling their brain when they lower their neck, so they have a sponge-like organ in the head which slowly gathers and releases blood.
 
44.                The Golden "Poison Dart" frog in South America is the most poisonous vertebrate in the world.
 
45.                The acceleration rate of a flea's jump is 20 times that of a space shuttle during launch.
 
46.                The Brazilian "railroad worm" has a head that glows with a red light, and has a green light on its side.
 
47.                A woodpecker can peck with a force as high as 1,200 g's with each impact - equivalent to a human striking head against a wall at a speed of 25km (16mi) an hour each time.
 
48.                A large woodpecker can peck as fast as 20 times a second and up to 12,000 times a day.
 
49.                The world's smallest flowering plant is the Wolffia, whose one full bouquet of flowers can fit on the head of a push-pin.
 
50.                Rafflesia Arnoldii is the largest flower in world, and can grow as big as an umbrella.
 
51.                Avocados have the highest fibre and calories of any fruit.
 
52.                Pineapple is actually a giant berry.
 
53.                Rats can swim for about 1km (0.5mi) without rest, and can tread water for three straight days.
 
54.                Our eyes can distinguish as many as 10 million distinct colour variations.
 
55.                An average adult human has skin weighing about 3kg in total.
 
56.                While we're awake, our brain generates enough power to illuminate a light bulb of 25 watts.
 
57.                While hibernating, frogs breathe through their skin.
 
58.                The world's smallest rodent is Pygmy Jerboa - measuring only a couple of inches in length - and can run as fast as a horse.
 
59.                The world's smallest frog - The Little Grass Frog - is no bigger than a house fly.
 
60.                With more than 80,000 arms, the Basket Starfish has the greatest number of arms.
 
61.                The electric eel of South America (Electrophorus electricus) can generate over 600 volts, and can paralyze even a horse.
 
62.                The normal energy used by our brain is 0.1 calories per minute, and could go up to 1.5 during activities such as puzzle-solving.
 
63.                While only 2% in weight, the human brain requires 15% of the body's heart work, 20% of oxygen and 25% of all glucose.
 
64.                For every 1000 red blood cells in our body, there is only about one white cell.
 
65.                Armadillos spend about 80% of their lives asleep.
 
66.                The human heart has enough pressure to squirt blood up to 30 feet away.
 
67.                An Octopus has three hearts.
 
68.                The Methuselah tree in California, USA, is the oldest living organism (4,800 years old) known today.
 
69.                The Giant Burrowing Frog doesn't croak. It hoots like an owl.
 
70.                Honeybees have remained unchanged in form or structure for 20 million years.
 
71.                An alligator may go through 2000 to 3000 teeth in a lifetime.
 
72.                Whales were once land mammals that moved to the sea and adapted to marine life.
 
73.                The tongue of a blue whale is bigger than a taxi cab, and can weigh as much as an elephant.
 
74.                There are more insects in a single square mile of fertile soil than there are people on the entire earth.
 
75.                The longest recorded distance flown by any chicken is about 92m (301.5ft) in 13 seconds.
 
76.                Elephants can hear through their feet.
 
77.                Bananas are actually giant herbs - related to the orchid family.
 
78.                The adult heart pumps about 7,500 litres of blood every day.
 
79.                There are more bacteria and microbes in our body than actual cells that make up the body.
 
80.                An ostrich's eye is bigger than its brain.
 
81.                The blue whale can produce the loudest sound produced by an animal - up to 188 decibels - and detected as far away as 853km (530mi).
 
82.                The giraffe is one of the quietest animals: it has no vocal chords to make any noise.
 
83.                A goldfish (like most marine fish) can survive in a tank full of human blood.
 
84.                In seahorses, it's the male who gives birth to the young.
 
85.                You shed and regrow your skin every 28 days, that's about 1000 times in a lifetime.
 
86.                Protozoa are called the ‘the first animals’. They are minute organisms made up of only one cell, and form the lowest major division or phylum of the animal kingdom.
 
87.                Protozoa are very tiny and usually you one cannot see them without a microscope.
 
88.                An elephant never forgets. They can even remember their birthplace and often return to  that place when they are about to die.
 
89.                The gestation period of an elephant is 23 months.
 
90.                Elephants sleep standing up.
 
91.                Elephants are the only animals on the earth with four knees.
 
92.                An elephant can have approximately 40,000 muscles in its trunk.
 
93.                A butterfly known as Taenaris Macrops, has two huge eye spots on its rear wings. These looks like the eyes of owl. If the butterfly is threatened, it flashes the two huge eye spots to scare enemy.
 
94.                The Indian leaf butterfly has often has one of the most deceptive natural disguises. With its wings folded, it looks remarkably like an old dry leaf on a stem.
 
95.                Slave Maker Ants: Ants known as slave-makers raid the nests of other ants and steal their young ones to raise as slaves.
 
96.                The Asian carpenter bee, Xylocopa laticeps is the largest known bee in the world.
 
97.                Apis florae and Apis andreniformis are small bees of southern and south eastern Asia.
 
98.                Apis dorsata is the Giant Honey Bee of southern and south eastern Asia.
 
99.                Why are there no insects in the ocean? It is because insects bodies cannot survive in salt water. Though a few varieties are found near the sea but usually they take care not to go into the sea water.
 
100.            The long horned grasshopper has ears not on its head but on its front legs. They are not proper ears that stick out like our ears. Rather, they resemble tiny drums, for they are just teeny weenie holes with skin stretched tightly over the top. Crickets are the other insects that listen with their legs.