Advertisements
Advertisements
प्रश्न
What are adaptations in fishes due to which they are aquatic?
Advertisements
उत्तर
Certain adaptation characteristics in fish, due to which they are aquatic, include:
(i) Presence of gills for respiration
(ii) Fins for locomotion (swimming) and balance with a streamlined or spindle-shaped body
(iii) Cold-blooded (ecothermic)
APPEARS IN
संबंधित प्रश्न
What are the differences between animals belonging to the Aves group and those in the mammalia group?
Explain how animals in Vertebrata are classified into further subgroups.
What do you mean by the term coelomate animals? Give two examples.
Distinguish between Nonchordata and Chordata.
Write down four general characters of cnidarians (coelenterates). Give two examples.
Explain general characteristics of phylum Platyhelminthes and Nematoda. Give two examples of each.
The animals (Kingdom Animalia) are mainly grouped under two categories
Why are scientific names of living beings considered better than their common names?
Rewrite the following scientific names correctly.
ficus religiosa (peepal), zea Mays (maize) and Bombyx Mori (silk moth).
What are the group names of the following categories of animals?
Animals with three pairs of legs ___________
Give any one difference between the following :
Insecta and Arachnida
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Butterfly- Insecta, Invertebrata, Mollusca
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Bat - Aves, Mammalia, Chordata
TYRANNOSAURUS
(One of the extinct animals which lived on the Earth about 100,000,000 years ago) Tyrannosaurus was about six meters long and it preyed upon other animals.
What do you think about its classification-was it an amphibian, a reptile or a mammal?
Can you call it a relative of Kangaroo? Yes/No. Give reason
Write two main characters of the following animal and name the phylum it belongs to: Whale
Write name of any poikilothermic animal.
Choose the correct answer: Multicellular producers are
Carolus Linnaeus is known as the Father of ______.
Assertion: Binomial name is the universal name and contains two names.
Reason: It was first introduced by Carolus Linnaeus
Give scientific reasons.
Body temperature is not constant in amphibians.
