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Stage 4 - Living World Flashcards | StudBud
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Stage 4 - Living World
Stage 4 - Living World
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1
The role of the skeletal system is to
protect the bodies organs & provide an anchor for muscles
to remove waste materials from the body
allow movement of an organism
bring oxygen into the organisms & take carbon dioxide out
2
Humans are affecting food chains & webs by
creating urban environments & pollution
being nice to animals
3
Respiration is when
energy is broken into carbon dioxide
nutrients are converted into energy
carbon dioxide is converted into glucose
oxygen is converted to glucose
4
A decomposer
consume other organisms to get nutrients & energy
is able to make their own food
breaks down dead organic material into chemicals
uses cosmic energy
5
Mitosis is a special type of cell division used for
reproduction
the weekend
only during feeding times
growth & repair
6
The scientific name for a consumer is
heterotroph
eurotroph
autotroph
7
Food preservation has meant that food
doesn't have to be consumed quickly
must be eaten the same day
8
Identify the materials required for respiration
carbon dioxide & oxygen
glucose & carbon dioxide
glucose & oxygen
9
The cell membrane
is a thin flexible outer layer of a cell
contains the cell's genes & controls the cell's growth & reproduction
is a jelly-like material that contains the cell organelles
is a tough outer layer in some cells such as those in plants
10
How is a food web different to a food chain?
A food chain shows simple links while the web shows many links
A food chain shows complex links while the web shows simple links
11
All living things are made of
DNA
bricks
RNA
cells
12
Plant roots are normally found
in soil
above ground
above the flower
13
Many people in poorer countries suffer or die from preventable diseases. This is an
ethical issues
economic issues
political issues
14
The simplest organisms
are made of one cell
are made of between 2 & 10 cells
are very intelligent
are made of many cells
15
The nucleus
is a thin flexible outer layer of a cell
contains the cell's genes & controls the cell's growth & reproduction
is a tough outer layer in some cells such as those in plants
is a jelly-like material that contains the cell organelles
16
All living things
have intelligence
build machines
reproduce
17
For an organism to work effectively all the organ systems
must work separately
need to constantly rest
need to work together
18
A food chain shows
the feeding relationship between organisms
all the organisms in an environment
all the consumers in an environment
19
Monotremes are a unique mammal only found in Australia. What makes them unique?
they lay eggs
they produce milk
they give birth to live young
they burrow in rivers
20
The main role of the muscular system is to
bring oxygen into the organisms & take carbon dioxide out
to remove waste materials from the body
allow movement of an organism
break down nutrients into useful chemical in the body
21
A disease that has been completely eradicated is
Flu
COVID
smallpox
measles
22
What is the main function of the respiratory system in multicellular organisms?
to remove waste materials from the body
bring oxygen into the organisms & take carbon dioxide out
bring oxygen into the organisms & take carbon dioxide out
break down nutrients into useful chemical in the body
23
The two main groups of living things are
monotremes & marsupials
monera & viruses
plants & animals
animals & humans
24
All living things
use energy
grow & develop
reproduce
respond to the environment
25
The scientific term for a producers is
eurotroph
autotroph
heterotroph
26
In the environment a consumer must
breaks down dead organic material into chemicals
is able to make their own food
consume other organisms to get nutrients & energy
uses cosmic energy
27
Some beneficial microorganisms include
yeast to make bread, bacteria that make yoghurt
salmonella in raw chicken & E coli in raw meat
28
Which of the following shows an Australian example of a food chain
wattle -> termites -> aardvark
wattle -> termites -> echidna -> dingo
wattle -> termites -> hedgehog -> dingo
wattle -> termites -> echidna -> tiger
29
An organ system is
cells dancing in unison
a group of cells working together
a group of organs working together
a group of tissues working together
30
The cytoplasm
is a tough outer layer in some cells such as those in plants
is a jelly-like material that contains the cell organelles
is a thin flexible outer layer of a cell
contains the cell's genes & controls the cell's growth & reproduction
31
Some organisms called __________ are too small to see without a microscope
micro-organisms
people
plants & animals
worms
32
In the environment a producer
uses cosmic energy
consume other organisms to get nutrients & energy
breaks down dead organic material into chemicals
is able to make their own food
33
Identify the materials required for photosynthesis
oxygen, water & sunlight
carbon dioxide, water & glucose
carbon dioxide, water & sunlight
34
All living things
build societies
read
use energy
35
Describe the purpose of the excretory system
to remove waste materials from the body
allow movement of an organism
bring oxygen into the organisms & take carbon dioxide out
break down nutrients into useful chemical in the body
36
Why is water so important to an organism?
All the cellular reaction occur in a liquid environment
it slows down all processes
it prevents reactions from occurring
37
Some harmful microorganisms include
yeast to make bread, bacteria that make yoghurt
salmonella in raw chicken & E coli in raw meat
38
Describe the purpose of the digestive system in a multicellular organism
allow movement of an organism
to remove waste materials from the body
break down nutrients into useful chemical in the body
bring oxygen into the organisms & take carbon dioxide out
39
A simple ideas such as washing hands with soap & water has meant that
less infections are spread
more infections are spread
40
A living thing is called an
inorganic
organism
sediment
mineral
41
The role of a plant leaf is
attract pollinators
to fix the plant into the soil & bring in nutrients & water
support leaves, flowers& fruits & transport nutrients
all the process of photosynthesis & gaseous exchange to take place
42
Cells reproduce
during daylight hours
annually
only in dry environments
by dividing
43
The development of agriculture allowed people to develop plants & animals
that increased the amount of available food
that decreased the amount of available food
44
An organ is
a group of tissues working together
a group of cells working together
large systems working together
45
All living things
think
respond to the environment
read
46
In plants the flower is part of the
transport system
root system
reproductive system
47
The use of plant-cloning
has created new animals
has given plants rights
has allowed plants to become smarter
has allowed plants to be propagated quickly
48
In multicellular organisms the reproductive system
facilitates photosynthesis
allows new organisms to be produced
brings in nutrients
brings in oxygen
49
The main role of plant roots is
to fix the plant into the soil & bring in nutrients & water
support leaves, flowers& fruits & transport nutrients
attract pollinators
facilitate photosynthesis
50
A tissue is
large systems working together
a group of cells working together
organs working together
51
Sometimes organisms are grouped into 4 groups. They are
plant, animals, minerals & organics
plants, animals, fungi & bacteria
minerals, organics, fungi & bacteria
planets. minerals, placentals & marsupials
52
The cell wall
contains the cell's genes & controls the cell's growth & reproduction
is a tough outer layer in some cells such as those in plants
is a thin flexible outer layer of a cell
is a jelly-like material that contains the cell organelles
53
All living things
grow & develop
think
speak
54
Which correctly states the difference between unicellular & multicellular organisms
unicellular all have complex brains while multicellular don’t
unicellular are made of one cell while multicellular are made of many cells
multicellular feed by diffusion while unicellular use body systems
55
Modern sewage systems mean that
possible disease causing materials are taken form the home
refuse is stored in the house
waste builds up continually
56
The chloroplasts
contains the cell's genes & controls the cell's growth & reproduction
are a thin flexible outer layer of a cell
absorb light to make sugar
are only found in animal cells
57
The development of vaccines has meant that
the same number of people suffer & die from diseases
less people suffer & die from diseases
more people suffer & die from diseases
58
Modern medical treatments mean that
all diseases can be cured
average lifetimes have reduced
people can be treated for conditions & live productive lives
59
Australia's ecosystem was dominated by marsupials. What is unique about marsupials?
they all eat eucalyptus
they are born premature & feed on their mothers milk
they are all grown from eggs
they breathe sulphur
60
The development of technologies such as electric cars & solar panels should
they have had no effect
improve environments by burning less fossil fuels
improve environments by burning more fossil fuels
61
Define the term biotechnology
any use of technology
any breathing organism
the use of living things to make or change products
62
The main role of plant stems is to
to fix the plant into the soil & bring in nutrients & water
facilitate photosynthesis
support leaves, flowers& fruits & transport nutrients
attract pollinators
63
The cell division process of mitosis occurs during organism
only when the organism is awake
reproduction
the night only
growth & cell repair
