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Womb
Ovaries
Eggs

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An example would be a forest

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Digestive system, circulatory system, respiratory system, skeletal system and muscular system

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Phytoplankton
Bio materials
Heat & Pressure
Oil

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Water
Eggs
Tadpoles
Frog

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egg
caterpillar (lavra)
chrysalis (pupa)
butterfly

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gas
star
supernova
heavy elements

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Foetus
Infant
Toddler
Preschooler
Primary school children
teenager
adult
old person

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evolution of Plants w.r.t. changing environmental conditions

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evolution of Plants w.r.t. changing environmental conditions

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Organs
Nerve
Arms and legs

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Food chain
all the parts in food chain are interconnected to each other and it function as a whole. If any of its part fails the food chain will get disturbed and functions improperly.

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Hospital system
Construct & work parallel or cylindrical

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uni directional
Ecosystem

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Ageing

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Birth
Live
Death
Afterlife?

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from a seed to a tree
it evolves over time

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evaporation
condensation
precipitation

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brain
kidney
heart

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animals
plants
water

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Food chain

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leaf
root
body

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plants
animals
humanbeings

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control the environment of the earth

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Brain
Heart
Lungs
Veins
Nerves
Limbs
Bones
Eyes
Mouth
Nose
Ears

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A 200 year old organisation

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People
Laws
Technology

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Iron
Iron
Oxide

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Galaxies
Comets
Planets
Stars

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Feitus

Baby
Toddler
Adolescent
Adult
and so on until old age

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Dominant members
Youth challenging older animals for leadership
methods of establishing mating
Responsibilities/roles

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seeds
water
sunlight

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Rock metamorphosis

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There are different types of rocks and each of them are formed in a different way under specific conditions that happens naturally.
Eg. Sedimentary rocks, Igneous rocks, Metamorphic rocks.

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sun
planets
natural satellite
every parts in solar system

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clouds
rain
river
sea
ocean
steam
cloud

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Eggs
Embryo
Tadpoles
Adult frog

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Starts off as a caterpillar, then pupates. Through metamorphsis, adult butterfly is formed and it flies away

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Our teeth have evolved.
Our little finger tends to disappear.
Our appendix is not longer useful at least we drastically change our diet.

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Society - standards and view points of people change and evolve from different parts of the world and is also very different depending on the time/period

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these two are related. Our current weather is different several decades ago it changed because of the human activities that results to global warming - thus resulted to climate changes.

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Solar system

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River network

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Decomposition of organisms

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Natural system example: Climate condition, sessions, weather patterns.   

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Natural system example: Climate condition, sessions, weather patterns.   

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Roots System
Leaves
Bark
Capillary actions
Photosynthesis
Pollination

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Human body

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a building include water supply and wastewater discharge, electric system, air circulation system, fire protection system, earthquake resistant design, emergency escape routes

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changing constantly due to global warming

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Riverbed can be considered as a natural system. It changes with time.

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Natural Systems compared to Build Systems

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Natural Systems compared to Build Systems

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The difference between the two is the concept on how they become a system. Build Systems are planned or man made organisation. On the other hand, Natural Systems are cause by natural being that for example is the development of our hormonal growth.

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Human Society
Ecological society

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naturally exist system andman made system

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Humans
Animals
birds etc

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_ Natural systems are created by nature. Built system are artificial.
_ Example of natural system: Water cycle in nature.

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Environment

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Can you say communication systems are natural systems as they have evolved from sending pigeons to Snapchat???

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Can you say communication systems are natural systems as they have evolved from sending pigeons to Snapchat???

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Evolution in the behavior of children over centuries.

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Built system made and controlled by human beings where as Natural system made and controlled by the universe. Built system is a product of human race whereas the humane race is a product of natural system. Built system is young whereas natural system is primitive. Changes in built system is addressed as modification whereas for natural system changes are addressed as evolution. For built system changes relatively take less time whereas in the natural system changes takes relatively LONG time.
Example of Natural System: The SUN rises in the east and sets in the west.

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Weather System

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ageing of human body  is a simple example of  natural system.

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evolvement of skin color as per the environment - natural system

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In my opinion, the main difference between these two is that natural systems are more likely to evolve in unstructured patterns; it is difficult to influence their functioning. Whereas built systems are planned and consciously patterned. (e.g. solar system vs. car)

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The difference can be the pace in which the systems evolve. A natural system can evolve faster than built systems. As a particular example, river can change in flow rate, depth and morphological patterns.

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raining

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atmosphere
ecosystem
universe

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Evaporation and condensation

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Perspiration

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artery is natural system，heart pass is built system

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forest system

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Ecosystem

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POLLINATION PROCESS
IN PLANTS

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The ocean

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The difference between natural and built systems is planning. Natural systems are unplanned whereas built ones are planned. An example of a natural system is a tree.

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The difference between natural and built systems is planning. Natural systems are unplanned whereas built ones are planned. An example of a natural system is a tree.

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Food-chain system

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solar system

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the water cycle
the system of birth and death