PRESENTATION OUTLINE
Births and deaths
•births are the main way an organism is added to an environment
• death is the main way an organism leaves an environment
Immigration and Emigration
•Immigration is when an organism moves from another environment
•Emigration is when part of the population leaves
Climate
The temperature and amount of rainfall in an environment
Availability of food,water,space,and shelter:
Organisms need certain food,water,space,and shelter in an environment.
