Evidence for Evolution (OCR A-Level Biology A): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Homologous structures
Homologous structures
Features w/ common evolutionary origin but different functions
Tetrapods
Tetrapods
Amphibians, reptiles, birds & mammals
Fossil
Fossil
Mineralised or preserved remains of an organism
Rock type where fossils are predominantly found
Rock type where fossils are predominantly found
Sedimentary rocks
Age of oldest known prokaryote fossils
Age of oldest known prokaryote fossils
3.5 billion years old
Number of standard amino acids in all organisms
Number of standard amino acids in all organisms
20
Chirality of amino acids in all living organisms
Chirality of amino acids in all living organisms
Left-handed only
Universal genetic material in all cellular organisms
Universal genetic material in all cellular organisms
DNA (deoxyribonucleic acid)
Universal energy currency in all organisms
Universal energy currency in all organisms
ATP (adenosine triphosphate)
Phylogeny
Phylogeny
Evolutionary history & relationships of organisms