From the fourth day after fertilization until the end of eight week, the unborn baby is called an embryo and from 9th week is referred as fetus until the end of conception.It is an organism in the earliest developmental stage.
Answer:
Explanation:
Calcium is needed for strong and healthy bone of the foetus and this can only be gotten from diet in milk, cheese. About 1000mg of calcium is needed in a day for a pregnant woman.
Iron is also very important its helps in the production of red blood cells and its ensures the availability in the foetus. About 25mg is needed daily and can be gotten from beans, lean meats.
Vitamins A is also essential diet for pregnant woman. It is required for good eye sight, body growth and skin formation in the baby and it can be obtained from vegetables such as carrot, sweet potatoes.
The answer is D,
digesting food is chemical to chemical
photosynthesis is light to chemical
and clearly respiration isn't the choice as well
