example. Table 10: Some Important Events in Geologic Time Era Mesozoic Period Triassic Event Eon Epoch Phanerozoic Age of Reptiles begins Beginning of the Age of Mammals Early humans first appear Eukaryotes first appear First living things appear Fish with bony skeletons first аppear Formation of Pangaea Formation of present-day continents Land plants first appear Modern humans first appear

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Chapter11: Evidence Of Evolution
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Based on the table 5 and 6 complete the table 10

enumerates significant geological and biological events which are associated with each time unit.
Take note that in this table, the eons, periods, and epochs are numbered based on their
superscripts in Table 5 (i.e., the Hadean eon is listed first because its superseript in the
preceding table is 1, while Holocene is 20th on the list because its superscript is 20).
reptiles increase; first appearance of cotylosaurs (earliest truly terrestrial
vertebrates), pelycosaurs (mammal-like reptiles), and conifers (pine
trees); disappearance of trilobites and other invertebrates; mass
extinction event between the Permian and Triassic periods
Beginning of the Age of Reptiles; therapsids (reptilian ancestors of
mammals) and thecodonts (reptilian ancestors of birds) appear; first
appearance of dinosaurs and mammals; abundant forests of
gymnosperms (plants with naked seeds like conifers and cycads); mass
extinction event between the Triassic and Jurassic periods
Birds and angiosperms (flowering plants with seeds enclosed in fruits)
first appear; abundant cycads and ferns; giant reptiles dominate on land
and in water; insects increase in numbers and variety; abundant
ammonites (a group of marine mollusks related to the present-day
Nautilus species)
Present-day continents form; spread of insects and primitive mammals;
birds increase in numbers; gymnosperms decrease in numbers, while
angiosperms increase in numbers and variety; extinction of ammonites;
widespread dinosaurs until their extinction at the end of the period (end of
the Age of Reptiles); mass extinction event between the Cretaceous and
Tertiary periods
Beginning of the Age of Mammals; mammals, birds, and pollinating
insects increase in variety; first primates appear
Mammals and angiosperms continue to increase in variety; first whales
Table 5: The Geologic Time Scale
Era
Eon
Period
Epoch
Holoceneao
Pleistocene
Pliocene
Miocene7
Oligocene
Eocenes
Paleocene
Start (MYA)
11. Triassic period
0.01
1.8
Quaternary
Neogene
(Tertiary)
5-3
23.8
33-7
54-8
65
144
206
Cenozoic
Paleogene
(Tertiary)
Cretaceous
Jurassica
Triassic
Permiano
Carboniferous: Pennsylvanian
12. Jurassic period
Phanerozoic
Mesozoic
248
290
354
Mississippian
Paleozoic Devonian7
Silurian
Ordovicians
Cambrian+
417
443
490
543
2 500
3 800
4 600
13. Cretaceous period
Proterozoica
Archaean
Hadean
Precambrian
Supereon
Table 6: Important Events in the Geologic Time Scale (Modified from Hoefnagels, 2016)
Time Unit
Important Events
Earth forms (no rock record on Earth)
Life starts with the appearance of first prokaryotes (bacteria and archaea)
Oa produced by photosynthetic organisms accumulates in the atmosphere;
first eukaryotes and first multicellular organisms appear; appearance of
Ediacaran biota: soft-bodied, aerobic metazoans (animal-like
organisms, made up of more than one type of cell)
Cambrian explosion: appearance of many new groups of animals (like .
sponges, worms, jellyfish, and trilobites - marine arthropods with three
body lobes) in the ocean; appearance of abundant marine algae and of the
ancestors of all present-day animals
Marine life-forms (like algae and invertebrates) increase; appearance of
first vertebrates (jawless fish) and first terrestrial plants; mass
extinction event between the Ordovician and Silurian periods
First appearance of vascular plants (plants with xylem and phloem),
terrestrial invertebrates, and fish with jaws
Age of Fishes: first appearance and spread of bony fish and sharks;
corals, crinoids ( a type of echinoderm), amphibians, and seed plants first
appear; arthropods increase in variety; mass extinction event between
the Devonian and Carboniferous periods
Abundant sharks and echinoderms; spread of insects and amphibians;
appearance of first winged insects
1. Hadean eon
2. Archaean eon
3. Proterozoic eon
14. Paleocene epoch
15. Eocene epoch
4. Cambrian period
appear
First appearance of elephants, horses, and grasses
Great apes first appear; other mammals continue to increase in variety;
appearance of modern birds; grasslands expand
Early humans first appear; appearance of modern whales
Ice Ages; Homo sapiens and large mammals (mastodons and
mammoths) first appear; trees decrease in numbers, while herbs increase;
migration of animals; extinction of many mammals
Human civilization
16. Oligocene epoch
17. Miocene epoch
5. Ordovician period
18. Pliocene epoch
19. Pleistocene epoch
6. Silurian period
7. Devonian period
8. Mississippian subperiod
9. Pennsylvanian subperiod Age of Amphibians: amphibians increase in numbers and variety;
20. Holocene epoch
atinad that although life on Earth began
insects increase in size; abundant coal swamp forests (dominated by giant
ferns and fern allies); appearance of first reptiles
Pangaea supercontinent forms; amphibians decrease in number, while
on
10. Permian period
Transcribed Image Text:enumerates significant geological and biological events which are associated with each time unit. Take note that in this table, the eons, periods, and epochs are numbered based on their superscripts in Table 5 (i.e., the Hadean eon is listed first because its superseript in the preceding table is 1, while Holocene is 20th on the list because its superscript is 20). reptiles increase; first appearance of cotylosaurs (earliest truly terrestrial vertebrates), pelycosaurs (mammal-like reptiles), and conifers (pine trees); disappearance of trilobites and other invertebrates; mass extinction event between the Permian and Triassic periods Beginning of the Age of Reptiles; therapsids (reptilian ancestors of mammals) and thecodonts (reptilian ancestors of birds) appear; first appearance of dinosaurs and mammals; abundant forests of gymnosperms (plants with naked seeds like conifers and cycads); mass extinction event between the Triassic and Jurassic periods Birds and angiosperms (flowering plants with seeds enclosed in fruits) first appear; abundant cycads and ferns; giant reptiles dominate on land and in water; insects increase in numbers and variety; abundant ammonites (a group of marine mollusks related to the present-day Nautilus species) Present-day continents form; spread of insects and primitive mammals; birds increase in numbers; gymnosperms decrease in numbers, while angiosperms increase in numbers and variety; extinction of ammonites; widespread dinosaurs until their extinction at the end of the period (end of the Age of Reptiles); mass extinction event between the Cretaceous and Tertiary periods Beginning of the Age of Mammals; mammals, birds, and pollinating insects increase in variety; first primates appear Mammals and angiosperms continue to increase in variety; first whales Table 5: The Geologic Time Scale Era Eon Period Epoch Holoceneao Pleistocene Pliocene Miocene7 Oligocene Eocenes Paleocene Start (MYA) 11. Triassic period 0.01 1.8 Quaternary Neogene (Tertiary) 5-3 23.8 33-7 54-8 65 144 206 Cenozoic Paleogene (Tertiary) Cretaceous Jurassica Triassic Permiano Carboniferous: Pennsylvanian 12. Jurassic period Phanerozoic Mesozoic 248 290 354 Mississippian Paleozoic Devonian7 Silurian Ordovicians Cambrian+ 417 443 490 543 2 500 3 800 4 600 13. Cretaceous period Proterozoica Archaean Hadean Precambrian Supereon Table 6: Important Events in the Geologic Time Scale (Modified from Hoefnagels, 2016) Time Unit Important Events Earth forms (no rock record on Earth) Life starts with the appearance of first prokaryotes (bacteria and archaea) Oa produced by photosynthetic organisms accumulates in the atmosphere; first eukaryotes and first multicellular organisms appear; appearance of Ediacaran biota: soft-bodied, aerobic metazoans (animal-like organisms, made up of more than one type of cell) Cambrian explosion: appearance of many new groups of animals (like . sponges, worms, jellyfish, and trilobites - marine arthropods with three body lobes) in the ocean; appearance of abundant marine algae and of the ancestors of all present-day animals Marine life-forms (like algae and invertebrates) increase; appearance of first vertebrates (jawless fish) and first terrestrial plants; mass extinction event between the Ordovician and Silurian periods First appearance of vascular plants (plants with xylem and phloem), terrestrial invertebrates, and fish with jaws Age of Fishes: first appearance and spread of bony fish and sharks; corals, crinoids ( a type of echinoderm), amphibians, and seed plants first appear; arthropods increase in variety; mass extinction event between the Devonian and Carboniferous periods Abundant sharks and echinoderms; spread of insects and amphibians; appearance of first winged insects 1. Hadean eon 2. Archaean eon 3. Proterozoic eon 14. Paleocene epoch 15. Eocene epoch 4. Cambrian period appear First appearance of elephants, horses, and grasses Great apes first appear; other mammals continue to increase in variety; appearance of modern birds; grasslands expand Early humans first appear; appearance of modern whales Ice Ages; Homo sapiens and large mammals (mastodons and mammoths) first appear; trees decrease in numbers, while herbs increase; migration of animals; extinction of many mammals Human civilization 16. Oligocene epoch 17. Miocene epoch 5. Ordovician period 18. Pliocene epoch 19. Pleistocene epoch 6. Silurian period 7. Devonian period 8. Mississippian subperiod 9. Pennsylvanian subperiod Age of Amphibians: amphibians increase in numbers and variety; 20. Holocene epoch atinad that although life on Earth began insects increase in size; abundant coal swamp forests (dominated by giant ferns and fern allies); appearance of first reptiles Pangaea supercontinent forms; amphibians decrease in number, while on 10. Permian period
Using Tables 5 and 6 as references, fill out the following table. The first item is given as an
example.
Table 10: Some Important Events in Geologic Time
Mesozoic
Era
Ерoch
Event
Eon
Triassic
Period
begins
Age of Reptiles
Phanerozoic
Beginning of the
Age of Mammals
Early humans first
appear
Eukaryotes first
appear
First living things
appear
Fish with bony
skeletons first
аppear
Formation of
Pangaea
Formation of
present-day
continents
Land plants first
appear
Modern humans
first appear
Transcribed Image Text:Using Tables 5 and 6 as references, fill out the following table. The first item is given as an example. Table 10: Some Important Events in Geologic Time Mesozoic Era Ерoch Event Eon Triassic Period begins Age of Reptiles Phanerozoic Beginning of the Age of Mammals Early humans first appear Eukaryotes first appear First living things appear Fish with bony skeletons first аppear Formation of Pangaea Formation of present-day continents Land plants first appear Modern humans first appear
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