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Evolution Unit 2 2021 Flashcards | StudBud
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Evolution Unit 2 2021
Evolution Unit 2 2021
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1
The Miller Urey Experiment simulated…
Earth's early atmosphere
The Moon's early atmosphere
Mars's early atmosphere
Venus's early atmosphere
2
What Eon are we currently living in?
Jurassic
Phanerozoic
Holocene
Quaternary
3
How much mass does Co have after 1 half life?
20 g
10 g
5 g
0 g
4
What supports the hypothesis that RNA was the first Genetic Material
RNA stores genetic information
RNA can self-replicate
Chains of RNA form lipids
DNA does not self replicate
5
The age of the earth
3.6 billion yrs
4.6 trillion yrs
4.6 million yrs
4.6 billion yrs
6
Which are examples of vestigial structures?
Butterfly and Bird Wings
Wisdom Teeth and Appendixes
Human Arms and Bat Wings
Human Ears and Butterfly Wings
7
Fossilized evidence of Earth’s first forms of life would consist of
vertebrates from the Precambrian.
eukaryotes from the Precambrian.
invertebrates from the Precambrian.
prokaryotes from the Precambrian.
8
What are homologous structures?
parts of anatomy that share a common ancestry
anatomy that is reduced in form and function
anatomy that shows convergent evolution
parts of anatomy that share the same function
9
what was continental drift ?
The movement of the ocean floor
The movie Ice Age <3
🐄
The movement of continents across the earth's surface
10
Radiometric dating is a form of:
Carbon Dating
Absolute Dating
Relative Dating
11
The Miller Urey experiment showed that
no oxygen was available on early earth
biomolecules could have arisen from basic elements
eukaryotes could have arisen from prokaryotes
mitochondria are the site of energy production in cells
12
Which is one of the four general features of the fossil record?
we only find fossils of extinct creatures
we find fossils of living and extinct creatures
we do not find fossils of extinct creatures
we only find fossils of zebras
13
What era are we currently in?
Tendarelus.
Mesozoic.
Homonoic.
Cenezoic
14
What best describes index fossils?
Fossils of the most ancient organisms.
Organisms that existed over a limited period.
Fossils that are used in radioactive dating.
Organisms whose age is hard to detect.
15
What is a fossil?
all of the above
organism or imprint that was buried and turned to stone
an imprint from an organism that has been preserved
part of an organism that has been preserved
16
Biogeography is the study of ...
fossil types and their relation to living organisms
islands and their distances from continents
the distribution of plants and animals in particular areas
mountain ranges and rivers
17
Which Era was the age of mammals ?
Mesozoic
Pre-Cambrian
Paleozoic
Cenozoic
18
what two types of evidence do biologists use to create cladograms?
structure and looks
chemistry and biomolecular
molecular and morphological
19
Geologic Time Scale
The slow wobble as earth spins on its axis
the shape of earths orbit around the sun
a record of life forms and geological events in earths history
the axial tilt of the earth in relation to earths plane of orbit
20
The Precambrian includes the eons Hadean, Archean and the ___.
Paleozoic
Cambrian
Proterozoic
Mesozoic
21
How many grams of uranium do I have after 1 half life?
20 g
100 g
25 g
50 g
22
Definition of FOSSILS
Traces of organisms that have been preserved into a fossil
Hard part of organisms that's been turned into a fossil
preserved remains/traces of organisms that lived the passed
23
Is precambrian time the longest time division
False
True
24
What periods make up the Mesozoic Era?
Triassic, Jurassic, Cretaceous
Silurian, Devonian
Triassic, Jurassic, Carboniferous
Cambrian, Carboniferous
25
What time period are we currently in?
Mesozoic Era
Permian Period
Quaternary Period
Jurassic Period
26
According to the biomolecular data, we COULD infer that
the four organisms do not have a common ancestor.
humans are more closely related to chimps than the orangutan
chimps are more closely related to orangutans than humans.
there is no evidence of relationship between the organisms
27
Carbon-14's half life is
3000 years
4000 years
7350 years
5730 years
28
Radiometric dating relies on ________________.
the rate of decay of stable isotopes
the rate of nuclear fusion
the rate of controlled fission
the rate of decay of unstable isotopes
29
Pangea
broke up
during which of the four time periods below?
Cenozoic Era
Mesozoic Era
Paleozoic Era
Precambrian Eon
30
How were proteinoid microspheres like cells?
they have DNA
have both a semipermeable membrane and way of storing energy
they are semipermedable
they have ways of storing and releasing energy
31
Precambrian time began with the _______ .
rise of the dinosaurs
appearance of human beings
development of vertebrates
formation of Earth
32
Homologous Structures or Analagous Structures
Analagous
Homologous
33
what is paleontology?
The study of rocks
The study of fossils
The study of weather
The study of earth
34
What are vestigial structures?
structures that look the same
Structures with a similar structure but different function
structures with the same function but different structure
structures that no longer serve any purpose but did in ancestor
35
In the fossil record, the oldest fossils
Are the biggest
Can be found the furthest away from the surface
Can be found above other fossils but below some
Can be found closest to the surface
36
Pangea can be proved by...
climate evidence (proof of a different climate in the past than now)
mid-atlantic ridge (caused by the same thing that caused it to seperate)
rock evidence (mountain chains that are similar and could connect)
fossil evidence (similar remains of animals and plants across several areas
37
Analogous structures are have...
same fructure, different sunction
same structure, different function
same function, different structure
same struction, different fructure
38
Which hypothesis proposed early organic materials formed near hydrothermal vents?
Lipid Membrane Hypothesis
Iron-Sulfide Bubble Hypothesis
Meteorite Hypothesis
RNA As the early Genetic Material
39
True or False: Do scientist have complete fossil record?
True
False
40
The Cambrian explosion was ___.
Evidence of an ancient alien nuclear war
An ignition due to the excess oxygen produced
A sudden increase of biodiversity
A meteor that struck Earth at the end of the Precambrian
41
How many eons have there been so far on Earth?
1
2
4
3
42
What is relative dating?
DNA structure
Part of a cell
part of a plant
Allows to determine fossils age by comparing to another
43
What are the types of fossils?
mesozoic, aztec, hieroglyphics, traced, paleozoic, carnated
cast, traced, carboned, fragile, linked, ancient
mold, cast, petrified, preserved, carbonized, traced
mold, cast, stapled, lucid, preserved, sand
44
Which of the following describes the endosymbiotic theory?
random cells have the same DNA with no explanation
some cells developed organelles that others didn't
some of the organelles in eukaryotes came from prokaryotes
prokaryotic cells were engulfed by eukaryotic cells
45
Embryology is
embryos that look like; have a common ancestor
Structures with similar functions; no common ancestor
Structures useful to ancestors; no longer have a function
Structures that are very similar; came from common ancestor
46
What are some different types of fossils?
rocks and minerals
A) Bones, footprints, nests, and eggs
fur and skin
47
What Era is the Age of Reptiles?
Cenozoic Era
The Time Travelling Era
Mesozoic Era
Paleozoic Era
48
What do we use index fossils for?
Relative dating
Absolute age
49
The fossil evidence found in these sedimentary layers BEST implies that
land plants evolved from algae.
vertebrates and invertebrates evolved together
land plants evolved after marine animals.
land plants and land animals evolved at the same time.
50
Evidence to support the Endosymbiotic Theory includes
all cells have cell walls
only eukaryotic cells have ribosomes
DNA is found in both chloroplasts and mitochondria
bacteria cells reproduce by binary fission
51
What was the spark in the Urey Miller experiment simulating
Methane
lightning
CO2
A spark
52
Are index fossils in one or multiple locations?
Multiple
One
yes
I don't know
53
Eons are divided into...
Eras
Periods
Mini Eons
Epochs
54
what is Pangea?
Theory made that all the continents were huge.
Theory made that stated that all continents were together.
