How many is the levels of biological organization in an organism?
13 from atoms to biosphere
What level of biological organization is considered the basic unit of life?
cell
What is a group of similar cells with the same characteristics and functions?
tissues
what do you called to a group of tissues that work together to perform closely related functions?
Organs
It consist of various organs which coordinate to perform a common function.
organ system
An individual that possesses all the characteristics of the species which it belongs.
organism
The group of organisms of the same species
population
Different populations living in the same area is called?
community
Group of all the living organism, living at the same place, with the non-living environment.
ecosystem
A collection of plants and animals that have common characteristics for the environment they exist in.
Biomes
global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients.
Biosphere
The smallest unit of matter that retains all of the chemical properties of an element.
Atom
A group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.
molecules
The term _________ is derived from the word ‘organ’ and refers to compartments within the cell that perform a specific function.
organelle
the hierarchy of complex biological structures and systems that define life using a reductionistic approach.
levels of biological organization
