WHAT DOES NOT WITHER AWAY DURING THE FORMATION OF SEEDS ?

The flower

Explanation:

Usually, all the parts of a flower except the ovary wither away. First the flower has to be fertilized, to then develope ovules into seeds and to bring about other changes into the flower. Once the flower withers, the ovary begins to enlarge simultaneously with the developement of the seed and become a fruit.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products