What is seed ball?

What is seed lac?

What is seed and fruit dispersal?

What is a seed bank ?

What is seed dormancy ? Explain the methods of breaking dormancy.

What is seed certification?

Two balls at the same temperature collide. What is conserved?

An urn contains 5 red and 5 black balls. A ball is draw at random, its colour is noted and is returned to the urn. Moreover, 2 additional balls of the colour drawn are put in the urn and then a ball is drawn at random. What is the probability that the second ball is red?

A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that of a red ball, determine the number of blue balls in the bag.