Theory of adaptation is valid because scientist can see facts that supported the theory. Adaptation makes organism survive especially in this rapid changing world. For instance, parts of human anatomy like appendix and tail bone were still present in humans but are no longer functional.
i would say it means how would organisms would react in an ecosystem. think of everyday life in your backyard perhaps. the grass uses the energy from the sun to grow. another organism, lets say a horse, eats the grass as a main source of food. lets say another grass eater lives there too-like a cow. the cow and the horse would naturally compete as they both rely on the same food source, and the same living space that is close to that food source, and so on as you move up in the food chain.
Answer:
Take a message to be returned as soon as possible.
Explanation:
Okay, in the question above we are given that someone or Physician because of an urgent question that came up has to make a phone call to another physician in another location but unfortunately the physician that the person called was busy and in the middle of a patient exam. The assistant of the physician that was called does should never interrupt his or her boss who is examining a patient at that moment but the assistant can just tell the physician that called that he or she should leave a message instead and he or she(that is the assistant) will relay the message to the office physician as soon as possible. That's a normal ethics of his or her work and the patient is important.
Easily distracted, cannot wait to take turns, excessive fidgeting, excessive climbing and running. Hope this helps, good luck!