Characteristics of life Flashcards
What are the 7 characteristics of life
Movement Respiration Sensitivity Growth Reproduction Excretion Nutrition
What is a tissue
A group of cells
What is an organ
A group of tissues
What is an organ system
A group of organs
What is the difference between excretion and egestion
Egestion gets rid of undigested food (in humans that’s poo)
Excretion gets rid of waste from chemical reactions of the body (in humans excretion happens in form of urine and sweat).
Do all living things excrete.
Yes
Do all living things egest?
No
_______ is the metabolic waste from cells and the body
Excretion
_________ is the removal of undigestible matter from the intestines
Egestion
In mammals, which organ is involved in excretion?
Lungs
Which substance do plants excrete
Oxygen
Which organ of a plant is involved in excretion
Leaf
All living things use ______ and ________ to produce energy
Oxygen and glucose
