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Plants and Animals

When did plants apear on the earth?

Scientists believe that the first plants were algae like and lived in water about two to three thousand million years ago during the precambrian time. This was between 500 and 600 million years ago. But it was not until about 150 to 200 million years later that plant life became abundant on land and evidence of this can be found in rocks of the so called carboniferous and Devonian period…. [… More info ..]

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Plants and Animals

Do some plants also move?

One of the fundamental differences between plants and animals is that animals can move from place to place whereas plants lack mobility. But there are some plants which move on their own. Some types of algae have whiplike flagellas they use to paddle themselves through water…. [… More info ..]

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Plants and Animals

Why do plants and animals become extinct?

When Darwin propounded his theory of ‘Survival of the fittest’, It created a great deal of controversy during those days. But gradually it started receiving a wider acceptance as many species were found to be either extinct or facting extinction for the reasons best explained by Darwin…. [… More info ..]

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Plants and Animals

Where do penguins live?

Penguins are found in Southern hemisphere. They live along the Antarctic continent and islands as well as on the cool Southern hemisphere coast of Africa Australia, New Zealand and South America. The wings of penguins have evolved into flippers…. [… More info ..]

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Plants and Animals

Why does a peacock display its feathers?

Peacock has a beautiful train of feathers which he displays during the breeding season. It usually attracts several females by such display but as soon as any of them approchaches it turns its back. The reason for this peculiar behaviour is not clear…. [… More info ..]

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Plants and Animals

How can an owl see clearly at night?

What is peculiar about owl is that they can see more clearly at night than during the day. In fact they come to life at night and are an apt example of nocturnal birds. Birds which can see more clearly at night rather than during the day are known as nocturnal birds……. [… More info ..]

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Plants and Animals

Which medicines are obtained from animals?

Scientists have already studied more than 8 million kinds of animals. From these animals we get many useful things like meat,eggs milk skins,wools etc. We get many medicines from animals which are also used in the treatment of various diseases….. [… More info ..]