That students who study make better grades than those who do not.
Answer: a hypothesis.
A hypothesis means a theory or a guessed explanation made, based on limited evidence as a starting point for further investigation.
The hormone signal will be transduced through the cytoplasm of the target cell.
The flower mechanism that would not help them preventing pollination by a specie such as a foreign plant would be that the flowers of different species are then the same color and would attract the same pollinators.Hope this would be of help.
When something is cooled, its atoms compact and become more dense. vice versa for heating