First choice.
You can refer to any bio book to simply give you a brief summary for what each organ do and what juices each organ produce to digest what specific typr of material in your food.
The right option is fatigue
<span>Fatigue is a feeling of tiredness, lack of
energy and motivation. Fatigue is a symptom of iron-deficiency anemia, which is
common in pregnancy. During pregnancy, hormonal changes such as increased
progesterone levels, physical changes and emotional changes occur in the body and
this can contribute to decreased energy resulting in fatigue.</span>
Answer: Research with embryonic stem cells may lead to new, more effective treatments for serious human ailments and alleviate the suffering of thousands of people.
Explanation:
Because through natural selection, only the fittest survive. when the fittest come together and reproduce then the species continues and evolves with only the fittest and strongest genes.
Answer:
According to Lamarck, organisms altered their behavior in response to environmental change. ... Their changed behavior, in turn, modified their organs, and their offspring inherited those "improved" structures.
