If disaster should befall the larger chick the parent can switch to feeding the youngest and it will exhibit a constant growth curve from the day of active feeding. From Wikipedia
Depends, a repo stays on credit for 7 years, and a bankruptcy stays for 11 years, after you have paid off a debt and they have received payment it should be taken of immediately, but you may want to get a free credit report and check and if it is still there call them and ask them about it.
A charge off can find its way on to the credit reports of even the most credit worthy individuals. Whether you owe $100 or many thousands of dollars on a credit account, after the 180 day period has passed, your creditor can charge off the debt and report it to the credit bureaus. A Charge Off signals to current and potential creditors that they are unlikely to get the money back that they loaned to you.