Answer:
It's C
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A certain gene is only used for certain functions, and if that gene is always going, your body cant turn certain functions on and off, which can ultimately lead to a lot of health problems.
Answer:
a.i and iii are correct
Explanation:
Biology is the study of the living organism and how they interact with the other components of the environment and among eachother, this is very important because then you can make the inference that biology studies energy as long as it is carried out by organisms and in the cain et al the definition of environment is the abiotic, or non living organisms with which the living organisms interact.