Which genetic mutation would cause the most dramatic change in the genetic make up of an individual?
a) a gene mutation that inserts one extra base pair into genetic sequence
b) a mutation that deletes three consecutive base pairs from the genetic material
c) a base-pair substitution mutation where one base pair becomes another but codes for the same amino acids
d) a single point mutation that changes the codon for a different amino acid

What is involved in redox reactions

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Identify the examples in which sam interacts only with natural resources