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Stage 4 - Living World - LW4 - Preventing sickness Flashcards | StudBud
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Stage 4 - Living World - LW4 - Preventing sickness
Stage 4 - Living World - LW4 - Preventing sickness
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1
Modern sewage systems mean that
possible disease causing materials are taken form the home
waste builds up continually
refuse is stored in the house
2
The scientific term for a producers is
autotroph
heterotroph
eurotroph
3
The use of plant-cloning
has allowed plants to become smarter
has created new animals
has given plants rights
has allowed plants to be propagated quickly
4
In the environment a producer
is able to make their own food
consume other organisms to get nutrients & energy
uses cosmic energy
breaks down dead organic material into chemicals
5
A decomposer
breaks down dead organic material into chemicals
uses cosmic energy
is able to make their own food
consume other organisms to get nutrients & energy
6
Modern medical treatments mean that
average lifetimes have reduced
all diseases can be cured
people can be treated for conditions & live productive lives
7
Which of the following shows an Australian example of a food chain
wattle -> termites -> echidna -> dingo
wattle -> termites -> aardvark
wattle -> termites -> echidna -> tiger
wattle -> termites -> hedgehog -> dingo
8
Humans are affecting food chains & webs by
being nice to animals
creating urban environments & pollution
9
A disease that has been completely eradicated is
smallpox
measles
Flu
COVID
10
Many people in poorer countries suffer or die from preventable diseases. This is an
economic issues
ethical issues
political issues
11
The development of vaccines has meant that
the same number of people suffer & die from diseases
more people suffer & die from diseases
less people suffer & die from diseases
12
A simple ideas such as washing hands with soap & water has meant that
more infections are spread
less infections are spread
13
In the environment a consumer must
breaks down dead organic material into chemicals
consume other organisms to get nutrients & energy
uses cosmic energy
is able to make their own food
14
Define the term biotechnology
any use of technology
any breathing organism
the use of living things to make or change products
15
The development of agriculture allowed people to develop plants & animals
that increased the amount of available food
that decreased the amount of available food
16
Some beneficial microorganisms include
yeast to make bread, bacteria that make yoghurt
salmonella in raw chicken & E coli in raw meat
17
Some harmful microorganisms include
yeast to make bread, bacteria that make yoghurt
salmonella in raw chicken & E coli in raw meat
18
Food preservation has meant that food
doesn't have to be consumed quickly
must be eaten the same day
19
The development of technologies such as electric cars & solar panels should
improve environments by burning more fossil fuels
they have had no effect
improve environments by burning less fossil fuels
20
A food chain shows
the feeding relationship between organisms
all the organisms in an environment
all the consumers in an environment
21
How is a food web different to a food chain?
A food chain shows complex links while the web shows simple links
A food chain shows simple links while the web shows many links
22
The scientific name for a consumer is
autotroph
heterotroph
eurotroph
