What was the climate of Australia when it was joined to Antarctica?

Cool and wet, covered in rainforest

Echidna fossils found in Aus, Live animal found in New Guinea. What does this tell us?

Changes in Australia were unfavourable for the echidna

Which statement best defines the term endemic?

Native or restricted to a certain place

Why is variation important to evolution?

Allows organisms to cope with enviromental changes

Which is the best definition for variation?

The differences between members of the same species

Identify the factor(s) that could have contributed to the different races of honeyeater (2 ans)

Different environments, geographical isolation

Which of the following is NOT geographical evidence of changes to Australian environment

DNA analysis of species with similar features

What features does the Eastern Australian white-naped honeyeater have?

short bill & orange-red eye patch

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Natural selection and evolution

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Assess student understanding on variation and natural selection

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Questions 14

Answers

1
What link did Darwin make between variation and evolution?
No effect on evolution
It might have an effect on evolution but is not proven
Decreased chances of survival
Increased chances of survival
2
What was the climate of Australia when it was joined to Antarctica?
Hot and humid, covered in rainforest
Cold and dry, covered in ice
Hot and dry, covered in desert
Cool and wet, covered in rainforest
3
When did Australia complete is separation from Antarctica?
100 years ago
65 mya
3.5 bya
45 mya
4
What is thought to cause the different coloured flowers in the common heath plant?
water availability
amount of sunlight
temperature
soil type
5
Initially as Australia became warmer and drier, how did this affect the rainforest?
It had not effect
There were never any rainforests in Australia
They shrank
They increased
6
Echidna fossils found in Aus, Live animal found in New Guinea. What does this tell us?
Changes in Australia were unfavourable for the echidna
The echidna originated in New Guinea
Echidnas migrated to New Guinea after split from Australia
The fossils were moved to Oz through tectonic plate movement
7
Which fossil sites have allowed for greater understanding of changes in Australian environment?
Great barrier reef and Broome
Sydney and Cairns
Gold coast and Shark Bay
Naracoorte and Riversleigh
8
Which of the following are variations that occur within a species?
size
skin colour
all of the above
pattern on fur
9
Which statement best defines the term endemic?
Native or restricted to a certain place
Native to Earth
Native to Australia
Prehistoric life
10
Why is variation important to evolution?
Allows organisms to cope with enviromental changes
Allows for organisms to be recognised as the same species
It is not important to evolution
Allows organisms to be immune to enviromental changes
11
Which is the best definition for variation?
The similarities between members of the same species
The differences between members of the same species
The differences between all animals
The similarities between all animals
12
Identify the factor(s) that could have contributed to the different races of honeyeater (2 ans)
Different environments
conservation zones
climate change
geographical isolation
13
Which of the following is NOT geographical evidence of changes to Australian environment
DNA analysis of species with similar features
Black coal deposits of prehistoric swamps
Rocks & landforms showing that sea levels had fallen & risen
Erosion flattening Australia of millions of years
14
What features does the Eastern Australian white-naped honeyeater have?
short bill & orange-red eye patch
long bill & orange-red eye patch
short bill & white/green eye patch
long bill & white/green eye patch

Natural selection and evolution Flashcards | StudBud