How many days is used for incubation to release...
How many days is used for incubation to release a chick?
21
22
20
23
Correct answer is A
On the 21st day of incubation the chick finishes its escape from the shell. The initial break in the shell is made by the egg tooth. This is referred to as external pipping.
When a plant shows yellowing of leaves and stunted growth, the plant is deficient in ...
The part labeled II is the ...
The animals that move with flagella include ...
The term cell was given by ...
The testes in male mammals descend into the scrotal sac because ...
Which of the following activities promotes forest conservation? ...
Trees in savannah habitats usually have heavy thick bark which mainly ...