Think about the different types of animals you’ve seen throughout your life. What characteristics do all of these animals share?

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

The most effective way to provide children with safety messages is to

According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this?               a.  this implies that dna and proteins aren't essential in cells today.    b.  this implies that rna can catalyze any chemical reaction that enzymes catalyze.    c.  this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna.    d.  this implies that dna and proteins evolved after rna.