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.
Also if a dam is in heat, it helps to stop the marking. Generally the dog comes into heat, and the experienced breeder notices right away, while the newbie may not notice till day four. Normally they are breedable on approximately day 12 to day 18, but they can remain in heat till day 21. Each dog is different, and heat averages two to three weeks. They start to bleed, and then by day 12 it goes pink, and by day 16 they stop bleeding. Unfortunately many people think when they stop bleeding, they are out of heat, but in a dog, it means they ovulated.