Please enable JavaScript.
Coggle requires JavaScript to display documents.
Population and Feeding The World (Agriculture - a way of living in certain…
Population and Feeding The World
Agriculture - a way of living in certain environments based on adaptation
Homo Sapiens- Cro-Magnons- early humans
Hunter Gathers also known as Homo Sapiens were Cro-Magnons which were the earliest humans contributed towards agriculture to giving food to the people of towns and other small mud piled cities.
Hunter Gathers often gathered food like mammoths and foxes of some sort to feed the people. Sometimes areas would be short on food so they were forced to move to different areas along with animals. They were Specialized in this industry
Hierarchies- earliest forms of government.
Division of labor led to big gains in technology and wealth
Carrying Capacity- how much one can hold in one certain area.
Domestication- foods surplus led to a crowd in the population
1650 500 Million People
1850 1 Billion People
2012 7 Billion People and increasing
Limiting Factors- the thing that limits carrying capacity.
Medical Advances- first started with Anton van Leeuwenhoek
Food is organic if it has to be raised without artificial fertilizers or Nesticides/Animals have to be free of antibiotics or growth hormones to be organic/cannot be genetically modified or treated with radiation.
Radiation kills germs, so it's used to give food a longer shelf life
USDA- regulates what products can have the organic semlon them
If a food contains only organic ingredients, it then can be labeled 100% organic
Heterotrophic- (what we are) we get our nutrients from eating food
Nutrients Supply your body with energy and the substances that it needs to grow and stay healthy this includes fats, carbonhydrates,and protiens