|
|
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
There are approximately 3 million unintended pregnancies in the United States each year.
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.
![Comparing allele and genotype frequencies in a population with the Hardy-Weinberg equation and a Pun](https://biology-forums.com/gallery/47/medium_33_12_07_11_4_10_53.jpeg)
![In 1993 Clinton succeeded in brokering a deal between Israeli prime minister Yitzhak Rabin (left) ...](https://biology-forums.com/gallery/47/medium_646588_06_12_16_2_50_56_242321368.jpeg)
![Xenophon (430–357 B.C.E.) Biographer of Socrates and his student as a youth. In addition to four ...](https://biology-forums.com/gallery/47/medium_623834_08_12_16_11_51_13_24251208.jpeg)