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43 Cards in this Set
- Front
- Back
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Extinction events: |
End Ordovician Late Devonian End Permian End Triassic K/T (Cretaceous - paleogene) |
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Three domains based on: |
Ribosomal RNA base sequences |
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Fungal filament: |
Mycelium |
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Extra cellular virus: |
Viron |
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Deciduous gymnosperm: |
Larch + ginkgo |
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Constanza et al know for: |
Ecosystem services costs |
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Insect metamorphosis types: |
Hemimetabolous and holometabolous |
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Earliest prokaryote fossil: |
3.5mil |
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Arthropod success due to: |
Ability to change to environment |
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Cladode: |
Flattened photosynthetic |
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Cannot tell moss/liverwort apart by |
Thickness of leaves |
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Arthropod cuticle made of : |
Chitin Proteins |
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Major arthropod sub divisions: |
Chelicerata Myriapoda Crustacea Hexapoda Trilobitomorpha |
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Percentage of animals that are Arthropoda: |
Around 85% |
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Sleeping sickness caused by: |
Trypanosome protazoan |
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Red algae is a: |
Rhodophyta |
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Edicarian fossils |
600 mya |
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Echinoderms have a unique |
Water vascular system |
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Earliest avian fossil: |
150 mya from Jurassic |
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Arthropod share with Annelids: |
Through gut, central nerve system and dorsal circulatory system |
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Chordata defining features: |
Post anal tail Gill arches Pharyngeal slits Notochord Dorsal hollow nerve cord |
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What is this? |
Pharyngeal slits |
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Urostyle |
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Hagfish feeding |
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Bird species |
9,900 |
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Flight needs: |
Lift and thrust |
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Two theory's of flight evolution |
Ground up and trees down |
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Two theory's of flight evolution |
Ground up and trees down |
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Reasons for flight evolution |
Predators Prey Travel Niches Hind legs as weapons |
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Two theory's of flight evolution |
Ground up and trees down |
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Reasons for flight evolution |
Predators Prey Travel Niches Hind legs as weapons |
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Features of avian skeleton: |
Keeled sternum Fused pelvis Beak and gizzard Short tail Uni are processes in ribs Limbs moved by central muscles |
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disadvantages of flight |
Energetically costly Limits body size and morphology Can be lost |
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Lancelet features |
Notochord Tail Pharyngeal slits Dorsal hollow nerve chord Filter feed using mucous net |
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Tunicates |
Pharynx with slits Notochord Tail Dors hollow nerve chord Marine filter feeder adults benthic and sessile Planktonic larva are chordates |
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Hagfish and lamprey features |
Large brain Skull Eyes Teeth |
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Hagfish and lamprey features |
Large brain Skull Eyes Teeth |
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Jaws |
Evolved mid Ordovician Allow efficient feeding |
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Hagfish and lamprey features |
Large brain Skull Eyes Teeth |
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Jaws |
Evolved mid Ordovician Allow efficient feeding |
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Chondrichthyes (shark) features |
Cartilaginous skeleton Well developed jaw and paired fins Carnivore No swim bladder Good sense of smell and lateral line system Internal fertilisation Oviparous and viviparous |
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Actinopterygii (fin fish) features |
Ossified skeleton Skin covered in scales and mucous Swim bladder Teleosts Most external fert. Ovoviviparous or viviparous |
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Living organisms capable of: |
Growth Reproduction Metabolism |
