If an oil spill destroys a coral reef what kind of succession might eventually restore it

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. which punnett square represents the correct way to set up the cross rryy  ´  rryy? 

Cedric has a low fever and minor aches. yesterday, he went to the doctor for his booster shot and receive the flu shot. which best explains why he has this reaction?

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?