Because they have less resources to fight off disease and nothing to use for immunity. Sub Sahara Africa is also very poor
Answer:
I really don't know I'm sorry dude but I needs the points
Answer:B, an introduced species is not necessarily harmful to the environment, an invasive species has a negative effect
Explanation:
This questions seems like its missing other parts
Answer:
All populations must have an adequate amount of food, water, shelter, and space to maintain homeostasis
