The female gametophyte structure that produces eggs in nonvascular plants are called archegonia. The male structure that produces sperm are called antheridia. A gametophyt â¦ e is the part of the plant that is responsible for creating gametes AKA sexual reproductive cell (sperm or egg).
All American Express cards begin with '37,' followed by currency indicator (digits 3, 4), account number (digits 5-11), card number within account (digits 12-14), and check digit (digit 15).
Visa, MasterCard and Discover users. American Express users. The Credit Card Identification Number is the 3-digit number located on the back of your card, usually at the top of the signature strip. Look for the 4-digit number printed on the front of your card. Depending on which card you have, you'll find this number in small type above your credit card's main number on either the left or right side. We have implemented this security feature to protect you, the card holder.