LESSON 3 (Levels of organization) Flashcards
It is the smallest unit of matter that cannot be broken down into simpler peices by any chemical means.
ATOM
It is the smallest unit of most compound formed by chemical bonding of atoms
MOLECULE
It is a specialize stucture that performs important circular function within the cell
ORGANELLS
It is the smallest unit of life-collection of living matter enclosed by a barrier that separates them from their surroundings
CELLS
It is groups of similar cells that perform particular function
TISSUES
Groups of tissues that work together to perform closely related function
ORGANS
Groups of organ that work together to perform closely related function
ORGAN SYSTEM
Living things composed of cell (multicellular organisms)
ORGANISMS
Groups of individuals with the same species that live in the same area
POPULATION
Groups of different population that live together in a defined area
COMMUNITY
Groups of organisms that live in a particular place,Together with their non-living environment
ECOSYSTEM
Groups of ecosystems that have the same climate and similar dominant activities
BIOME
Part of earth where life exist including land ,water,air, atmosphere
BIOSPHERE