1.1 Characteristics of organisms Flashcards
Chapter 1: Characteristics and classification of living organisms (10 cards)
What are the characteristics of living organisms?
Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition
acronym MRS GREN.
What is movement in living organisms?
Movement is an action by an organism or part of an organism causing a
change of position or place
What is respiration in living organisms?
Respiration refers to the chemical reactions that take place in cells that break down nutrient molecules and release energy for metabolism.
What is sensitivity in living organisms?
Sensitivity is the ability to sense stimuli in the internal or external environment and make appropriate responses.
What is growth in living organisms?
Growth is a permanent increase in size and dry mass
What is reproduction in living organisms?
Reproduction is the process that makes more of the same kind of organism.
What is excretion in living organisms?
Excretion is the removal from organisms of waste products of metabolism, toxic materials, and excess substances.
What is nutrition in living organisms?
Nutrition is the process of taking in materials for growth, energy, and development.
Movement, respiration,
sensitivity, growth, reproduction, excretion and nutrition are characteristics of single celled or multi celled of organisms?
Both single celled and multi celled
Which species show MRS GREN? Plants or animals?
Both, all living organisms do.