An appendage growing from the stem of a plant. Leaves are extremely variable in form and function according to species. For example, the needles of pine trees, the spines of cacti, and the bright red parts of the poinsettia plant are all leaves modified for different purposes.
Take her temperature daily as her expected delivery date approaches. Normally a dog's temperature is between 101 and 102 degrees. When your pregnant dog's temperature drops below 100 degrees, that's an indication she'll have her puppies within 24 hours. Once labor begins, it can last up to 12 hours. If your dog's temperature drops significantly, she's ready to give birth soon.
Within 14 hours of this progesterone drop, there will be a fall in the dog's rectal temperature (normally around 100 to 102 degrees Fahrenheit; prior to whelping, the temperature may drop below 99 F). This temperature decrease is usually followed by labor within 12 to 24 hours.