Choose all the answers that apply. if gene flow is reduced 1. speciation can happen 2. the genetic difference between two populations increases 3. the genetic difference between two populations decreases 4. the population may become extinct 5. the species becomes endangered

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these

Describe the function of the endomembrane system? what organelles are involved?