The human reproductive system is different in males and females. When a sperm and egg join, the egg is fertilised and a baby starts to develop. Its mother provides all a baby’s needs until it is born.Fertilisation happens when an egg cell meets with a sperm cell and joins with it. The fertilised egg divides to form a ball of cells called an embryo. The embryo attaches to the lining of the uterus. It begins to develop into a fetus and finally into a baby.The mother’s lifestyle can affect the developing fetus. For example, smoking reduces the amount of oxygen in the bloodstream. This can lead to low birth weight and premature birth (when a baby is born too soon). Drinking alcohol during pregnancy can harm the developing baby’s nervous system, especially its brain.
Birth
It takes about 40 weeks for a baby to develop in the uterus. This time is called gestation. After this, the baby is ready to be born. The cervix relaxes and muscles in the wall of the uterus contract. Waves of muscle contraction push the baby out of the mother's body through the vagina.
Hello. You forgot to put the image that complements this question.
The image is attached below:
Answer:
A = 38.465.
Explanation:
To arrive at the result you will have to perform a very simple calculation, using the fromula shown in the question above.
First, it will be necessary to find the diameter of the figure, to
therefore, you will have to divide, which will result in 3.5.
You can now replace the values in the formula: A = (3.14) (3.5) ² = (3.14) (12.25)= 38.465.
Time
Explanation:
it changes over time because it changes the organism over time
Answer:
A. Skin color, a polygenetic trait, is also determined by environmental factors.
Explanation:
When you are a lifegaurd you are outside much more which means you are very likely to get a tan; Therefore changing the pigment of Pat's skin.
I hope this helps you :) Have a nice day!
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-The mutation could make it easier for an organism to obtain food.
-yes, a correct anwer!
-The mutation could make an organism need more food.
-no, this would make it harder for the organism to survive
-The mutation could improve the organism's sight.
-yes! better sight means more information, which is beneficial
- The mutation could let the organism run faster.
-running faster means advantage over pray and predator - also a correct answer
so all are correct except on the second one.
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