Advertisements
Advertisements
प्रश्न
What do you mean by the term triploblastic animals? Give two example.
Advertisements
उत्तर
Triploblastic animals are those which have three germ layers in the embryo. The outer layer is called ectoderm, the inner layer is called endoderm and the middle layer is called mesoderm.
Examples: Animals of phylum Ctenophora, such as comb jelly and Venus's girdle.
Animals of phylum Platyhelmithes, such as Planaria and blood fluke.
APPEARS IN
संबंधित प्रश्न
What are the differences between amphibians and reptiles?
How are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals?
Explain how animals in Vertebrata are classified into further subgroups.
Write down four main characters of Platyhelminthes. Give two examples.
What are adaptations in fishes due to which they are aquatic?
What are differences between the following :
(a) Cartilaginous fishes and bony fishes ;
(b) Amphibia and Reptilia ;
(c) Aves and mammals.
Write short note on protochordates.
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
Give four important characters of mammals.
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: Nemathelminthes
Give two examples of each of the following: Annelida
Give two examples of each of the following: Arthropoda
Choose the correct answer: Mosquito is included in insects because
Choose the correct answer: Which of the following is not a helminth parasite?
Choose the correct answer: Whittaker is famous
Assertion: Binomial name is the universal name and contains two names.
Reason: It was first introduced by Carolus Linnaeus
