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
Write down four main characters of Platyhelminthes. Give two examples.
Main characteristics of Nematoda:
Write down four general characters of cnidarians (coelenterates). Give two examples.
Explain the general characters of phylum Arthropoda. Give one example of following classes
(i) Crustacea;
(ii) Myriapoda;
(iii) Insecta;
(iv) Arachnida.
What are pisces? Classify and explain two different kinds of fishes by the help of suitable examples.
Why are scientific names of living beings considered better than their common names?
What are the group names of the following categories of animals?
Animals with feathers _________
Match the names of animal groups in Column I with the names of animals in column II.
|
Column I (Group) |
Column II (Animals) |
|
Annelida |
Pigeon |
|
Porifera |
Snake |
|
Mollusca |
Earthworm |
|
Reptilia |
Sponge |
|
Amphibia |
Octopus |
|
Pisces |
Trout |
|
Mammal |
Rabbit |
Which names are left out that do not match and why?
Write two main characters of the following animal and name the phylum it belongs to: Whale
Name any two animals which possess compound eyes.
Give two examples of each of the following: Echinodermata
Give two examples of each of the following: Pisces
Give two examples of each of the following: Nemathelminthes
Give two examples of each of the following: Annelida
Choose the correct answer: Mosquito is included in insects because
Choose the correct answer: Multicellular producers are
Give scientific reasons.
Body temperature is not constant in amphibians.
