D it allows all substances to enter & exit the cell.
The answer is C) selective breeding. This means that humans are deciding what to breed which means this is not a natural selection, but rather an artificial selection.
On average 30 feet or 9 meters
A specises that is very close to extinction that they are trying to save
Respiration= oxygen is converted to CO2
Photosythiesis=sunlight is converted to food for the plant through the chloroplasts and then the plant lets out Oxyegen and takes in CO2