A major evolutionary change to become a therapsid (the mammal ancestor) was

legs positioned beneath the body

The theory of evolution is:

Independently proposed by Darwin and Wallace

is the adaptation of organisms to their environment

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Evolution and Taxonomy

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Some multiple choice questions on evolution, taxonomy and cell structure.

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Questions 20

Answers

1
The 3 primary domains of living systems are:
Bacteria, Archae and Eukarya
Eubacteria, Archebacteria and Eukarya
Plantae, Animalia and Fungi
Protista, Dinoflagellata and Eukarya
2
Within the animal kingdom, the most species diverse phyla is:
echinodermata
chordata
bryozoa
arthropoda
3
A defining characteristic of reptiles is:
soft shells around eggs
teeth contain living tissue
external fertilisation
lungs with parabronchial tubes
4
Stromatolites are
eukaryotes
the first multicullular creatures
ancient layers of rock
cyanobacteria
5
Heterotrophs gain their energy from
sunlight
complex organic molecules
heat energy
eating other bacteria
6
A major evolutionary change to become a therapsid (the mammal ancestor) was
loss of gills
increased size
loss of scales
legs positioned beneath the body
7
In science the Jurrasic period is famous for
the evolution of mammals
the evolution of birds
Coal formation
The Tyrannosaurus Rex
8
Multicellular life first started in the
Ediocaran period
Carboniferous period
Cambrian Explosion
Cenozoic Era
9
two animals are members of the same species if:
they can produce fertile young
they have evolved together
they live in the same geographic region
they can reproduce together
10
Gymnosperms (vascular seed bearing plants like conifers) evolved during the
Ordovician period
Devonian period
Carboniferous period
Cretaceous period
11
The vestigial pelvic bone in whales is evidence of
an ancestor which used legs
adaptation to breathing underwater
anologous features
homologous features
12
The theory of evolution is:
Something worked on by David Attenborough
Credited to Alfred Russel Wallace
Credited to Charles Darwin
Independently proposed by Darwin and Wallace
13
Examples of homologous structures include:
A bat's wing and a dragonfly's wing
Ammonia and uric acid
A bat's wing and a human hand
The vermiform appendix and the pharynx
14
Animals evolved in shallow, marine environments
6000 million years ago
60 million years ago
600 million years ago
6 million years ago
15
Angiosperms are
flowering plants
cup-shaped zygotes
without covered seeds
non-vascular plants
16
the correct order from highest taxonomic level to lowest is:
Class, Order, Family, Genus
Family, Class, Order, Genus
Class, Family, Order, Genus
Family, Order, Class, Genus
17
Natural Selection
is the adaptation of organisms to their environment
is what pigeon fanciers do to develop new breeds
can be seen following exposure to radiation
is just down to random chance
18
The amount of oxygen in the atmosphere of the Early earth (4.6bya) was
35%
21%
5%
0%
19
This is NOT a rule in Linnaeus’ Binomial nomenclature
it must be written in latin
there must be published a description based on a specimen
the name must be unique
the first (valid) name is the correct name
20
Falsification theory, which forms the basis of modern science, was developed by
Thomas Kuhn
Socrates
Emmanuel Kant
Karl Popper

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