Prenatal<span> or antenatal </span>development<span> is the process in which a human </span>embryo<span> and later </span>fetus<span> </span><span> develops during pregnancy, from fertilization until birth.</span><span> It is in between the embryonic state and during the birth. Fetal development begins at the gestational age of eleven weeks. The fetal stage is recognized when an embryo develop to the point where the major body organs is present.
</span>
To help the frog to maintain homeostasis
Grass often dies near roads that have been <span>salted to remove ice during the winter because the salt spread out into layer of the grass </span>cell. Then the water goes into the ice because the grass is attracted to the salty ice water. Hence, this dehydrates the plant cell by removing excess water, so it dies since it can no longer perform the proper cell function.<span> </span>
Answer:
Although humans can sometimes influence natural disasters (for example when poor levee design results in a flood), other disasters that are directly generated by humans, such as oil and toxic material spills, pollution, massive automobile or train wrecks, airplane crashes, and human induced explosions, are considered.