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Levels of organization
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Gravity
Terms in this set (12)
Cell
The smallest unit of life, cells are specialized and differentiated
Tissue
Collection of specialized cells, such as brain tissue made up of brain cells
Organ
A collection of specialized tissue that works together to perform a function. i.e. Cardiac muscle tissue make up the heart.
Organ system
A collection of organs that work together to perform a function. i.e. the lungs, trachea, and diaphragm work together in the respiratory system to perform gas exchange.
Organism
A living individual, made up of organ systems. Is able to respond to stimuli, grow and develop, reproduce, and are made of cells.
Population
A group of similar species that live in the same environment
Community
A group of populations that live in the same environment; made up of different species, i.e. lizards and cacti in a desert
Ecosystem
A group of communities that all live in the same environment, i.e. deserts in California, Arizona, and the Sahara
Biosphere
The areas of Earth that have living organisms. This includes all ecosystems that can support some form of life.
Levels of organization
Organelles - Cell - Tissue - Organ - Organ system - Organism - Population - Community - Ecosystem - Biosphere
Organelle
Small collection of molecules WITHIN a cell that perform a specific function, i.e. the mitochondria do cellular respiration to produce energy for the cell
System
A set of things that all work together to complete a process. If any one thing goes wrong, the whole system is affected.
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