Advertisements
Advertisements
प्रश्न
Give three examples of the range of variations that you see in life-forms around you.
उत्तर
Examples of range of variations observed in daily life are:-
(i) Variety of living organisms in terms of size ranges from microscopic bacteria to tall trees of 100 metres.
(ii) The colour, shape, and size of snakes are completely different from those of lizards.
(iii) The life span of different organisms is also quite varied. For example, a crow lives for only 15 years, whereas a parrot lives for about 140 years.
APPEARS IN
संबंधित प्रश्न
Which do you think is a more basic characteristic for classifying organisms?
(a) The place where they live.
(b) The kind of cells they are made of. Why?
What is the primary characteristic on which the first division of organisms is made?
On what basis are plants and animals put into different categories?
Characters of a phylum are given below. Read those carefully and answer the questions.
a. Spines of calcium carbonate are present on the body.
b. These animals are exclusively marine.
c. They perform the locomotion with the help of tube feet.
d. Their skeleton is made up of calcareous plates or spicules.
i. Animals of which phylum show the above characters?
ii. Give an example from that phylum.
iii. These animals can be classified with the help of which criteria of new system of animals classification?
Why the bryophytes are called as amphibians of kingdom plantae?
State any four benefits of animal classification.
Classification of animals makes it easy to study the vast variety of animals.
Skeleton is made entirely of cartilage in
Give examples for the following
Open circulatory system is found in ______ where coelomic cavity is filled with blood.
All eukaryotic unicellular organisms belong to ______.
