Advertisements
Advertisements
प्रश्न
What are adaptations in fishes due to which they are aquatic?
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
Main characteristics of Nematoda:
Give four general characters of phylum Mollusca. Write down two examples.
Name the phylum in which ambulacral system is present. What is its function?
How do animals of Porifera differ from animals of Cnidaria?
Write down four general characters of cnidarians (coelenterates). Give two examples.
Explain general characteristics of phylum Platyhelminthes and Nematoda. Give two examples of each.
Give any one difference between the following :
Insecta and Arachnida
Name three animals (belonging to different classes) which breathe by means of lungs but have no external ears (pinnae).
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: Jelly fish
Give the name of two animals that belong to phylum echinodermata.
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: Annelida
______ in 1623, introduced the binomial nomenclature.
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
What is binomial nomenclature?
Select the INCORRECT statement from the following.
