What are the options they gave you?
Answer:
population density is the answer of the question
True.
Mostly false though.
If an animal wanted to eat a person that died from a mutation they could but I would say that would be a rare occurance.
Dry climates do not have sufficient precipitation during the most of the year.
Desert are located in the arid climate.
The semiarid climate is in a grassland, or steppe, region.