Answer:
A. Producer Primary comsumer Secondary consumer
Genetic variation<span> is essential for </span>natural selection<span> because </span>natural selection can only increase or decrease frequency of alleles that already exist in the population.Genetic variation<span> is caused by: mutation
i pulled this off of the site i got the information from i hope this helps you out if not sorry
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The official term is a megaflash :)
In homeostasis the body has a target set point which it tries to maintain, with the use of the negative feedback loop the body strives to stabilize the internal environment by regulating the temperature of the body.
Mars. NASA is constantly expanding the publics knowledge of our neighboring red planet, and results are on the way! The climate is somewhat cold, but resources on earth are useful. Mars has shown to be survivable.
