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Unit 1 Many Planets One Earth Review Flashcards | StudBud
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Unit 1 Many Planets One Earth Review
Unit 1 Many Planets One Earth Review
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Habitable Planet online Environmental Science Course Review over Unit 1 Many Planets, One Earth
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1
Throughout this era, 2.3 BYA until 575 MYA, life was mostly single-celled and small
Cenozoic
Proterozoic
Jurassic
Precambrian
2
Rock layers are used to learn about our planet's history. What kind of record is this?
Stratigraphic record
Albedo record
Plate Tectonic record
Radiometric record
3
What is this a picture of?
K-T Event
Carbon Cycle
Oxygen Process
Cambrian Explosion
4
What two life forms were able to really develop after the extinction of the dinosaurs?
Rodents and Fish
Mammals and Flowering Plants
Dinosaurs and Amoebas
Insects and Grass
5
What is this a picture of?
Cenozoic Ocean
Hadean Era
Cambrian Explosion
Stromatolite
6
O
2
is
Carbon Dioxide
Carbonic Acid
Carbon
Oxygen
7
What does BIF stand for?
Brown Iodine Folds
Big Irregular Fossils
Banded Iron Formations
Beaded Ions Free
8
Earth has had how many periods of being a "snowball"?
22
5
8
2
9
When did several severe periods of glaciers occur?
Cenozoic Era
Cambrian Explosion
Hadean Era
Proterozoic Era
10
What was the period of extraordinary diversification of life called?
Cambrian explosion
Proterozoic period
Columbian period
Hadean era
11
The magnetic signatures of glacial deposits show all the continents were once
all made of iron
in the same location as now
all at the north pole
all near the equator
12
What is this a picture of?
Tree of Life
Geologic Timeline
K-T event
Stratographic record
13
What is this a picture of?
Stromatolite
Fossil
Tree of Life
BIF
14
What is this a picture of?
Stratographic record
Glaciers
Laminations
Stromatolites
15
Organisms that thrive in saline, acidic, or alkaline conditions or other extreme environments
Heatophiles
Extremophyles
Slimeophytes
Eukaryophyle
16
According to the tree of life, which of these evolved first?
Archaea
Prokaryotes
Bacteria
Eukarya
17
What is this a picture of?
Glaciers
Stromatolites
Stratographic record
Laminations
18
The first organisms to really start making oxygen for earth were
nonphotosynthetic bacteria
cyanobacteria
fungi
plants
19
Glacial deposits have what kind of signatures?
Magnetic
Ink
Oxygen
Bacterial
20
The rock and soil part of the earth is called
biosphere
atmosphere
lithosphere
hydrosphere
21
What is this a picture of?
Meteorite
Glaciers
Stromatolite
Fossil
22
Which planet is similar to earth but has more CO2 making this sister plant much hotter
Saturn
Sun
Venus
Mars
23
Which of these is
NOT TRUE
about plants when they evolved?
They ate amphibians
They evolved 400-500 MYA
They reduced the greenhouse effect
Their roots broke down rock making soil
24
The water part of the earth is called
atmosphere
biosphere
hydrosphere
lithosphere
25
What is Albedo?
Coldness
Reflectivity
A Latin Boy Band
Darkness
26
Our textbook is called The Habitalbe Planet. What does "habitable" mean?
Blue and cool
Alive and growing
Fit for life
Old and used
27
Which atmospheric gas was the most important for the development of life on earth?
Water
Nitrogen
Carbon
Oxygen
28
According to the tree of life, which of these evolved last?
Eukarya
Prokaryotes
Archaea
Bacteria
29
What is this a picture of?
Stromatolite
Stratographic record
Glaciers
Fossil
30
When did the last BIF form?
50,000 years ago
4.6 BYA
250 MYA
1.8 BYA
31
CO
2
is
Carbon
Carbon Dioxide
Carbonic Acid
Oxygen
32
The sun is _____________________ than in the past.
30% dimmer now
25% bluer now
10% yellower now
30% brighter now
33
The air part of the earth is called
atmosphere
lithosphere
biosphere
hydrosphere
34
What is the layer in the atmosphere that protects life from Ultraviolet Radiation?
Ocean
Ozone
Hydrosphere
Oxygen
35
The Hadean period in earth's history was
Rainy
Dark
Hot
Cold
36
Where was the iron that created the BIF's?
In the ocean
In the soil
In the air
In volcanoes
37
How long ago did Earth start to cool off and rain started to fall?
4.6 Million
3.8 Billion
500 Thousand
42 Trillion
38
During the Snowball Earth period the oceans were frozen to a depth of
more than 1 km
less than 10 feet
there was no ice, just snow
over 1/2 mile
39
The living part of the earth is called
lithosphere
atmosphere
biosphere
hydrosphere
40
What was the Cambrian Explosion?
Geologic storm causing BIFs
Life on earth became diverse
Volcano that caused glaciers to melt
Meteorite that killed dinosaurs
41
Simple organisms appeared on earth how long ago?
2 Million Years Ago
4.6 Trillion Years Ago
2 Billion Years Ago
3.8 Billion Years Ago
42
The Cretaceous-Tertiary boundary is abbreviated?
CT
DD
Cret-Ter
K-T
43
What is this a picture of?
Ocean
Glaciers
K-T Event
Lamination
44
Which gas was absent in Earth's early history that is now very important and abundant?
Nitrogen
Oxygen
Ammonia
Carbon Dioxide
45
What metal element is rare on earth, but found in meteorites?
Nitrogen
Iridium
Iron
Iodine
