B1 - characteristics of living organisms Flashcards
(11 cards)
What is the big question of this topic?
What are the characteristics of life?
What are the 7 characteristics of living organisms?
MRS GREN – Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition.
What does ‘Movement’ mean in living organisms?
The ability to change position or move parts of the body or cell.
What is ‘Respiration’ in biological terms?
A chemical process that releases energy from food.
What does ‘Sensitivity’ refer to in living organisms?
The ability to detect and respond to changes in the environment.
What is ‘Growth’ in biology?
An increase in size or number of cells in an organism.
What does ‘Reproduction’ mean?
The process by which living organisms produce offspring.
What is ‘Excretion’?
The removal of waste products from metabolic reactions.
What does ‘Nutrition’ mean for living organisms?
Taking in materials for energy, growth, and development.
How might you test if something is alive?
Check if it shows the 7 characteristics of life.
Why is water kefir used in this topic?
As a real-world example to discuss and test for signs of life.