A fertilized egg usually implants itself and develops in the uterus.
<span>During the prenatal development, fertilized egg adheres to the wall of the uterus. Zygote (fertilized egg) at this stage forms blastocyst. The blastocyst consists of an inner cell mass and the outer layer -the trophoblast. Trophoblast surrounds the inner cell mass and a fluid-filled cavity - blastocoele. Inner cell mass will form embryo and trophoblast gives rise to the placenta.</span>
In my past learnings, Sample size is no. of units in a population that need to be studied. The number of units can include animals, persons, or any specific or specified circumstances. Hope this helped..!
Answer:
Natural and Basic resources.
they are needed by plants to grow
Your answer would be B. Prefrontal Cortex. I hope this helps!
Answer:
The hypothalamus plays ahuge role in the endocrine system. It is responsible for maintaining your body's internal balance of temperature.
When your hypothalamus senses that you're too hot, it sends signals to your sweat glands to make you sweat and cool your temperature.
When the hypothalamus senses that you're too cold, it sends signals to your muscles that make your shiver and create warmth, rising your temperature.
