Hello, plz answer What is meant by a pioneer species? Would you expect a shrub or dandelion (dispersed by wind-blown seeds) to be a more likely pioneer plant species? Why?

You need to make 500ml of 7h9(+) media with 1x adn and 30ug/ml of the antibiotic kanamycin. your stock solutions are 10x adn and 30mg/ml of kanamycin. the solvent is distilled water. how much of each component will you need to make the desired final solution?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

What is the most abundant vertebrate on earth?