We should remember that we should consume all necessary nutrients at a correct amount and proportion. this includes the primary food substance carbohydrates, fat and protein. and protective food substance in a small amount, which includes mineral ions ( iron, calcium etc) and vitamins. Also we have to take in enough water (6-8 cups a day) and fibre to prevent deficient diseases and to maintain health.
in addition, note that the amount of food intake varies with age, sex, body status, daily activity etc. For example, teenagers and pregnant women should increase all necessary nutrients intake to ensure proper growth and development of ourselves or the baby.
Here are the answers to the given questions above.
1. Since the Duffy antigen can be found in most individuals residing in Western Africa and that recently, this can be already found in many white European populations, the process the explains this is what we call gene flow. The answer is option A.
2. The physical factors that are considered mostly influences the Antarctic ecosystem are weather, ice, and ocean currents. The answer would be option C. Hope this helps.
Answer: B. Are found in organisms of the same species.
Homologous structures are body parts that are alike because the species in question share a common ancestor.
Answer:
Because of climate change
