H5n1 avian flu virus have spread from asia to africa and europe? is it likely that human air travel could have spread this virus?

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Students commonly confuse saccharomyces cerevisiae and staphylococcus aureus when viewed on a microscope slide how could you microscopically differentiate

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.