It is positive because our body needs 37C to perform metabolism properly so sweating helps to balance the temperature. We lose water but water is generally provided to body by drinking or any food that has water.
A derived trait is a trait that the current organism has, but the previous one did not have.An ancestral trait is a trait that you, and your ancestors had.A vestigial structure is a structure that had some sort of use in your ancestor, but none in your current body
The answer is when levels of the amino acid are high, it binds to the repressor, ending the synthesis of this amino acid
The answer to that will be prokaryotic
