Question

Which of the four sluyes or the eye vi un secure they?
(B) Answer in brief.
1. Why must the hen sit on her eggs?
2. Why does a hen become aggressive when she is hatching her
eggs?
3. Which are the four stages of the life cycle of a butterfly?
4. Which changes take place inside the chrysalis of the Plain Tiger butterfly?​

Answer 1

Answer:

• Hens sit on eggs to keep their temperature in a proper range. They also turn the eggs to evenly incubate them as well as to insure that the embryo does not stick to any one side of the shell.
• When a hen is hatching her eggs, she becomes aggressive because for fear of their safety. To protect her eggs she becomes aggressive and attacks anyone who tries to go near the eggs.
• Egg. Eggs are laid on plants by the adult female butterfly. ...
• Caterpillar: The Feeding Stage. The next stage is the larva. ...
• Pupa: The Transition Stage. ...
• Adult: The Reproductive Stage.
• Butterflies go through a life cycle of four stages:egg,larvae,pupa and adult. Inside the chrysalis, several things are happening and it is not a "resting" stage. The caterpillar's old body dies inside the chrysalis and a new body with beautiful wings appear after a couple of weeks.

Explanation:

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