Population and Feeding the Earth :earth_americas: (USDA regulates what…
Population and Feeding the Earth :earth_americas:
Some people in 3rd world country do subsistence agriculture
They grow enough food to meet their family needs.
They use the,labor and large animals to grow food and water.
Smaller affect in the Enviroment
Limited Factor is the thing that limits carrying capacity
R vs K selection theory says that some organisms will reproduce in a way that aims for huge exponential growth
Carrying Capacity is the number of individuals that their habitat can support
The human population has been undergoing probably the longest period of exponential growth
Medical Advances started with Anton van Leeuwenhook
Ecological Footprints is a calculation of how much land and many resources each person needs.
Birth rate is increasing rapidly because everyone is having babies.
Agriculture helps to grow more food for the population and so do GMO's
There are 7.6 billion people on earth and its increasing
Homo Sapians are early versions of humans
Hunter Gathers are groups that moved from one place to another to find food.
Food is organic if it has to be raised without artificial fertillizers or nesticides.
Animals have to be raised with no antibiotics or growth hormone in order to be organic and it also cant be treated with radiation
Radiation kills germ germs so food can last longer in the super markets
USDA regulates what products can have the organic symbol on them
Nutrients supply your body with energy and the substances and what it needs to grow and stay healthy.
Organic Farming takes more skill,time, and labor there so it can be more expensive