Meiosis is different from mitosis because:

it produces four daughter cells

Which of the following does not support Australia's origins in the supercontinent Gondwana?

the presence of humans on all associated continents

Which of these does NOT constitute an 'environmental change'?

the death of an individual organism

Which is a genetic variation?

John has green eyes, James has brown eyes

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Evolution of Australian Biota Revision

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Preliminary Biology Revision #yr11 #preliminary #biology #science #australia #evolution #australianbiota

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Questions 20

Answers

1
Which is a theory about the extinction of megafauna?
human hunting
neither
both
climate change
2
An animal has 22 chromosomes in its body cells. How many will it have in its gametes?
22
12
11
44
3
For natural selection to occur, there must be:
a predator
variation
isolation
climate change
4
Meiosis is different from mitosis because:
it produces two daughter cells
the daughter cells are identical to the parent
more than one daughter cell is produced
it produces four daughter cells
5
Name a megafauna species besides Procoptodon and Megalania
Cassowary
Diprotodon
Rattus rattus
Thylacine
6
What process of nuclear division is used in asexual reproduction?
mitosis
neither
meiosis
both
7
In which part of Earth's structure do the convection currents occur?
Mantle
Outer core
Inner core
Crust
8
What is the name of this landmass?
Thylacoleo
Laurasia
Gondwana
Pangaea
9
What process occurs in meiosis but not mitosis?
crossing over
cytokinesis
anaphase
metaphase
10
To produce evolutionary change, natural selection operates on:
populations
communities
individuals
families
11
Which of the following does not support Australia's origins in the supercontinent Gondwana?
fossil evidence of species: Glossopteris and Gangamopteris
matching continental margins
the position of mid-ocean ridges and plate spreading zones
the presence of humans on all associated continents
12
Over the last 20 million years, Australia has become drier, resulting in:
an increase in grassland areas
an increase in lake and river areas
a decrease in woody sclerophyll forests
an increase in tropical rainforest areas
13
Meiosis produces:
2 haploid (n) daughter cells
4 haploid (n) daughter cells
4 diploid (2n) daughter cells
2 diploid (2n) daughter cells
14
Fossils are:
preserved remains of past life
animal skeletons
frozen organisms
biological remains that can be dated
15
Which of these does NOT constitute an 'environmental change'?
the death of an individual organism
climate change
a change in availability of a food resource, or other factor
a new disease, predator or competitor
16
Most of Australia's native mammals are:
koalas
marsupials
monotremes
placentals
17
Which region was not part of Gondwana?
Europe
South America
Australia
India
18
During fertilisation, the chromosome number goes from:
diploid --> diploid
haploid --> diploid
diploid --> haploid
haploid --> haploid
19
Which is a genetic variation?
John has green eyes, James has brown eyes
John has a scar on his knee, James does not
John is a vegetarian, James eats meat
John is older than James
20
Mitosis produces:
2 haploid (n) daughter cells
4 haploid (n) daughter cells
4 diploid (2n) daughter cells
2 diploid (2n) daughter cells

Evolution of Australian Biota Revision Flashcards | StudBud