Birds migrating in the winter would be a behavioral adaptation. The rest of the adaptations would be structural or physiological because they are controlled by mutations in the DNA. <span />
Answer:
That is quite a gene pool you two have
Explanation:
Answer:Our ancestors’ perception of taste was important for survival and thriving. Now researchers are trying to produce food with reduced calories or salt that remains palatable
Explanation:
Evolution of taste
Our ancestors had to seek out their food from the environment, and their perception of taste was important for survival and thriving. ... They work with foods that are being produced in a manner that reduces calories or salt or adds ingredients with potential health benefits from plants
Answer:
The correct answer is embroynic stage
Explanation:
The prenatal development is divided into three stages germinal stage, embryonic stage and fetal stage. The period of two weeks after fertilization is called the germinal stage. In this stage, the zygote divided and gets implanted in the uterine wall.
The embryonic stage starts for two weeks and lasts up to 8 weeks after fertilization. At this stage, the cell mass is called embryo. In the embryonic stage, the basic brain structure, CNS, PNS are developed. All the basic organs and body parts develop in this stage except sex organs. So the right answer is the embryonic stage.
A BMI of 18.88 would be pretty normal for a 13 year old if not a bit on the lower side already. Usually we consider a BMI between around 18/19 and around 25 to be that of a normal weight person. If it is below theis, we would recommend to eat more, if ti above this we would recommend to eat less. Considering that we're talking about a 13 year old, perhaps it would be better if he/she ate a bit more to supply his body with the necessary nutritional needs.
