Lesson 3.3: Life's Diversity

Question 1

Life’s diversity exploded _______

Answer 1

500 MYA

Question 2

The paleozoic era lasted from

Answer 2

543 - 248 MYA

Question 3

The Paleozoic era is where the

Periods under this era

Answer 3

More complex eukaryotic cell arise
first vertebrate on land is formed.

Cambrian
Ordovician
Silurian
Carboniferous
Devonian
Permian

Question 4

Cambrian period period lasted from _______ MYA.

Highlights

Answer 4

543-490
Invertebrate animals flourished

sponges, jellyfish, worms
first animals with hard bodies.

Question 5

Life on land developed during

Answer 5

Ordovician and Silurian periods

Question 6

first land plants and vertebrates appeared during the

Answer 6

Ordovician period (490-443 MYA).

Question 7

Silurian period (______ MYA) highlights

Answer 7

443-417
first plants with vascular tissue arose,

Question 8

highlights of Devonian period (________) MYA

Answer 8

417-354

age of fishes, fishes with skeleton

mass extinction of sea life took place.

fish with powerful fins and lung move onto land.

Question 9

highlights of carboniferous period ______MYA

Answer 9

354-290 MYA
-age of amphibians
-Ferns and early seed plants flourished.

Question 10

highlights Permian period _______MYA

Answer 10

290-248
-ended with the largest mass extinction in due to global climate (inc co2, deplete of O)

Question 11

Mesozoic era _____MYA, highlights

Answer 11

Age of reptiles
248-65 MYA

Question 12

the first birds, mammals, and flowering plants developed

Answer 12

Jurassic period (206-144 MYA)

Question 13

Cretaceous period

Answer 13

(144-65)
-great biological change
-mass extinction of dinosaurs due to asteriod

Question 14

Cenozoic era

Answer 14

65 MYA-present
-AGE OF MAMMALS

Question 15

During the ____ and _____ marsupials, monotremes, and placental mammals became common.

Answer 15

paleogene (65-23) and neogene (23-2.58)

Question 16

Ice ages went during this epoch
______ yrs agom

Answer 16

Pleistocene epoch.

Question 17

homosapeins appeared _____ yrs ago

Answer 17

200,000

Question 18

Origin and diversification of life

Answer 18

organic monomers formed macro and protocells, forming prokaryotes

forms archaea, and bacteria, —–> infolding, endosymbiosis, —> fungi, plants animals, protisr

Question 19

humans and placental mammals are called
They formed _______

Answer 19

primates
60 MYA

Question 20

Adapted physical characteristics of primates (3)

Answer 20

opposable thumbs, long arms,
upright locomotion

Question 21

difference between humans and other primates

Answer 21

-larger brain
-great depth perception
-field view 160 degrees

Question 22

three main lineages of primates

Answer 22

Proximians, Monkeys, and Hominoids.

Question 23

common ancestor of primates have (4)

Answer 23

opposable thumbs, flat nails, binocular vision, and larger brains.

Question 24

skeleton comparison between primates: apes, gorillas, and hominins

Answer 24

Apes: brachiaton (swinging of arms)
Gorillas: knuckle-walking (longer forearms)
Hominins: bipedalism

Question 25

famous hominin fossil discovered in Ethiopia.

She is just like a fusion

Answer 25

Lucy
Orangutan. Gorilla, and Chimpanzee.

Question 26

Hominin fossils fall into four groups:

Answer 26

-Ardipithecus, 4.4 MYA
-Australopithecus, 4-2.5 MYA
-Paranthropus, an evolutionary dead end, 3-1.5 MYA.
-Homo, 2.5 MYA-present.

Question 27

features of a recent homo species associated to their diet

Answer 27

• smaller teeth, lighter jaws, and lighter musculature

Question 28

According to mitochondrial DNA humans evolved in ____ and lived together and migrated to other continent ____ yrs ago

Answer 28

africa at 1.8 MYA to Europe, 200,000

Question 29

Human is the fusion of all ______ as we have the most identical chromosomes

Answer 29

apes

Question 30

Humans ____ , ____, and ____ have almost identical chromosomes

Answer 30

chimpanzees, gorillas, and orangutans

Question 31

but how do we distinguish from apes?

Answer 31

the ability to speak language