1-Do salamanders give negative or positive feedback when their limb gets cut off. 2-Does salamanders give positive or negative feedback when they regenerate.

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Identify the examples in which sam interacts only with natural resources

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities