dog breeders choose mates in an effort to produce offspring with desired traits. How does this compare with the way that advantageous traits in wolves get passed on to offspring?

What is the difference between a scientific hypotheses and a scientific theory?

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?