#biology

#mrsgren

Chapter 1

MRS GREN is a abbreviation for the process that makes a living organism an organism.

• Movement - Is an action of an organism or a part of an organism causing a change in position or place.

• Respiration - Is a chemical reaction in the cells which break down nutrients and release energy for Metabolism.

• Sensitivity - Is an ability to detect and respond to changes in the internal or external environment.

• Growth - Is a permanent increase in size or dry mass.

• Reproduction - Is a process of making more of the same kind of an organism.

• Excretion - Is a removal of waste products from metabolism and substance in excess of requirement.

• Nutrition - Is a taking in of materials for energy, growth and reproduction.