Choose the animal which does NOT belong to the group. "MADE OF TWO SHELLS" snail
clam
mussels
oyster

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

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? 

How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.