Which source should be avoided when conducting scientific research?

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

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? 

Dna replication or repair occurs in a cell in all of thw following situations except when