Toxic chemicals used in agriculture are tested as well. Teratology is also of importance in the biology of development, since knowledge of the deviations caused by teratogens or mutant genes is a means of discovering the motivating forces and controlling mechanisms of normal embryonic development in animals and man.
Click here to see the 7 Meatless Recipes for Lent (Slideshow). Sometimes called Fish Fridays, meat-free days during Lent donât have to focus on fish. You can eat pasta, tofu, vegetables, beans, and many other items, including eggs. (Theyâre permissible under Catholic law, even though they come from chickens which are off-limits.). Slideshow: 7 Meatless Recipes for Lent (Slideshow). Avoiding meat might seem restrictive but itâs easier than you think.
Chris Salvo / Getty Images. Lent is the Christian season of preparation before Easter. In Western Christianity, Ash Wednesday marks the first day, or the start of the season of Lent, which begins 40 days prior to Easter (Sundays are not included in the count). Lent is a time when many Christians prepare for Easter by observing a period of fasting, repentance, moderation and spiritual discipline. The purpose is to set aside time for reflection on Jesus Christ-his suffering and his sacrifice, his life, death, burial and resurrection. Not all Christian churches observe Lent.