evolution

Question 1

give other evidence for the theory of evolution

Answer 1

• fossils = allows us to compare extinct organisms to today’s organisms
• genomic DNA = sequencing of genomes have shown how closely related we are to primates
• molecular = proteins are composed of the same 20 amino acids in all organisms

Question 2

how did Darwin and Wallace contribute to the theory of evolution?

Answer 2

they observed that birds have many different beak shapes and concluded that birds with beak shapes most suited to the food they eat are more likely to survive and therefore pass this beak shape onto their offspring

Question 3

give some implications of evolution for humans

Answer 3

• bacterial antibiotic resistance means infections are harder to treat
• pesticide resistance means entire crops could be destroyed