Answer:
Meanwhile, your bones are busy making new blood cells. Working together, these systems maintain internal stability and balance, otherwise known as homeostasis. Disease in one body system can disrupt homeostasis and cause trouble in other body systems.
Explanation:
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Your answer would be: New traits, lose. This is because evolution is when a species changed and adapts to changes in their environment. During this process, they may lose old traits that are no longer useful.
<span>The study of the interactions between living things and their environment is called ecology.</span>