Three ways on how bad behaviour in sport in a country can dampen nation building

What do animals wth echolocation have in common other than echolocation

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?