Which of the following types of feathers is used for flig...
Which of the following types of feathers is used for flight in birds?
Quill
Filoplume
covert
Down
Correct answer is A
No explanation has been provided for this answer.
What are the primary products of photosynthesis? ...
Physiological adaptation to very dry conditions in animals demonstrates ...
Crops grown mainly to feed animals are called ...
The fruit that has the illustrated sections is a ...
Which of these physiological variations is sex-linked? ...
The association between a tapeworm and an infected mammal illustrates ...
Which of the following insects lays its eggs in horny, purse-like cases? ...
Which of the following traits is not visible in a person with Down's syndrome? ...
The rate of transpiration of a leafy shoot would be highest under ...