Biological levels Flashcards
What are the levels of organisation (from smallest to highest)?
Molecules - groups of atoms, smallest unit of most chemical compounds
What are the levels of organisation (from smallest to highest)?
Cells - smallest functional unit of life
What are the levels of organisation (from smallest to highest)?
Groups of cells - tissues, organs, organ systems
What are the levels of organisation (from smallest to highest)?
Organism - individual living thing
What are the levels of organisation (from smallest to highest)?
Population - group of organism of the same type, that live in the same area
What are the levels of organisation (from smallest to highest)?
Community - populations that live together in the same area
What are the levels of organisation (from smallest to highest)?
Ecosystem - Community and its nonliving surroundings
What are the levels of organisation (from smallest to highest)?
Biosphere - part of Earth that contains all ecosystems
How is an organism that consists of a single cell called?
Unicellular organism
How is an organism that consists of many cells called?
Multicellular organism