Characteristics that define Life
According to most biologists, for something to be "alive" it has to have all, or MOST of the following characteristics. Some biologist's lists are slightly different, but these are the most agreed upon traits.
1. Made of Cells.
2. Grow and Develop
3. Take in energy, and produce energy or waste
4. Take in Oxygen
5. Sense and respond to environment
6.Maintain Homeostasis (perfect balance and ideal internal "happiness" to grow and live)
7. Adapt and evolve
8. Reproduce and Display Heredity (reproduction of cells and DNA)
A baby at any stage in pregnancy is....
--made of cells
--grows and develops
--takes in energy from the mother through the embelical cord
--takes in oxygen from the mother
--maintains homeostasis
--displays heredity (DNA)
--can sense and respond to environment
..and has the make up to one day reproduce.