Where does fertilisation take place in a flower?

Where does fertilisation takes place in earthworm ?

Where does fertilisation take place in women? What helps the sperm to gain an entry into the ovum and how? What is the significance of the point of entry of the sperm?

Where does triple fusion take place in a flowering plant? Why is it so called? Mention its significance.

Where does fertlisation take place in earthworms?

Why cannot fertilisation take place in flowers if pollination does not occur?

Where does fertilisation normally take place in a human female?

Where does digestion of fats take place in alimentary canal?

How does condensation take place?

When and where does meiotic division take place in cells? What is the significance of this type of cell division in the animal's life?

Where does the dark reaction take place?