Extinction Consequences

Question 1

Ordovician

Answer 1

85% species lost - particularly marine invertebrates

Question 2

Late Devonian

Answer 2

75% species lost - major decline in reef building organisms

Question 3

Permian

Answer 3

96% marine species and 75% land, opened niches for dinos

Question 4

Triassic

Answer 4

80% of species, large amphibians, enabling dinosaurs to to dom Jurassic

Question 5

Cretaceous

Answer 5

76% species lost, all non-avian dinos, everything >50lbs, most mammals survived