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Revision Life on Earth Flashcards | StudBud
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Revision Life on Earth
Revision Life on Earth
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1
Which of the following would have the most characteristics in common?
two phyla in the same kingdom
two species in different orders
two orders in the same class
two species in the same genus
2
Scientists estimate the earth to be:
4.5 million years old
At least 4 billion years old
4500 Years old
4000 Years old
3
Select the correct order of levels of classification from distant to closely related
kingdom,phylyum,class,order,family,genus,species
kingdom,class,family,order,phylum,genus
species,genus,family,order,class,phylum,kingdom
kingdom,phylum,class,order,family,species, genus
4
The binomial system of nomenclature was introduced by
J.B.S. Haldane
Carolus Linnaeus
A.I. Oparin
Harold Urey
5
What is the correct way of naming an organism using the binomial system?
Felis leo
felis leo
Felis Leo
6
What brought about the change from an anoxic to an oxic atmosphere?
continental drift moving the continents northwards
the release of oxygen as a waste product from photosynthesis
large fires on the land
volcanoes erupting
7
The first living cells were probably:
anaerobic, procaryotic and heterotrophic.
anoxic, eucaryotic and heterotrophic.
aerobic, procaryotic and autotrophic.
anaerobic, eucaryotic and chemosynthetic.
8
One of the reasons why it is difficult to classify extinct organisms is:
fossils of extinct species are extremely rare
extinct organisms are not related to living organism today
many fossils no longer contain any genetic material
9
What is the major difference between atmosphere of early Earth and the present day atmosphere?
oxygen in the present - day atmosphere
carbon dioxide in the present- day atmostphere
hydrocarbons in the present - day atmosphere
oxygen in the early earth atmosphere
10
Name this type of organism?
Plants
Algae
Stromatolites
Apple Tree
11
If we were to adopt a 6 kingdom scheme for classification, the kingdom that would be split is
Fungi
Plants.
Monera
Protists
12
What is studied in palaeontology?
fossils
all life in the Palaeozoic times
the future of animals and plants on other planets
13
What is one difference between Archaeobacteria and Eubacteria?
Archaebacteria has peptidoglycan in their cell walls
Archaebacteria does not have peptidoglycan in cell walls
they are spelt differently
14
A particular animal’s scientific name is Mus hirsutus.Which animal is most closely related ?
Hirsutus ascara
Mus rufus
Hirsutus muscus
Volex hirsutus
