Chapter 2 Flashcards
Microscopic organisms
Bacteria , amoeba
Large organism
Animals , fungi
Metabolism
The sum of all chemical reactions in an organism eg digestion
Continuity of life
Living things arise out of other living things of the same type
5 characteristics of life
Organisation
Nutrition
Excretion
Response
Reproduction
Organisation
Basic cells = tissues
Tissues=organs
Organs=system
Nutrition
(How organisms obtain and use food)
Plants use photosynthesis
Humans ingest and eat other organisms
Excretion
The removal of waste products of metabolism from the human body
(Humans = skin , kidney , lungs)
(Unicellular = store in vacuole)
Response
The way that organisms react to changes in their environment
(Heat , sound , light , pressure ect)
Reproduction
Sexual= 2 parents cells make new organism
Asexual= 1 parent cell make the same organism
What is an non living organism?
VIRUS 🦠🦠