What kind of national disaster some forest communities by allowing some trees to release their seeds by clearing away deadwood and by encouraging new growth

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

The source of energy shown in the image is (renewable, non renewable, polluting) a drawback of building a dam is that (it will destroy ecosystems, it requires fossil fuels, it won’t be useful for irrigation)

According to these anatomical structures which two animals are probably most closely related