What happens when fires clear forests? is it as bad as human deforestation or not?

What do animals wth echolocation have in common other than echolocation

When does dna replication(make a copy of itself)?

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.