enviromental pressures

population

• is a group of organism of the same species that live in the same place at the same time
• a population will keep growing unless somthing stops it.
• humans have their own population

competition

• is a struggle for a limited resoures
• mostly animals and humans compete for resources

predation

• The hunting and the consumption of another animal to survive.

Disease

• It is an illness that will harm or kill the organism

Catastrophic event

• is a significant natural or other which impacts a large amount of organisms in a large area
• many forest brun down killing a lot of that population that was

Carrying capacity

• It is the number of organisms an environment can have