Food Production Flashcards
1
Q
What is saprotrophic nutrition?
A
- release of digestive enzymes
- brake down dead/decaying organisms
- bacteria/fungi
2
Q
Phosphate ions are needed for…
A
Healthy flowers and fruits
3
Q
why is carbon monoxide bad for us?
A
it replaces oxygen and binds with haemoglobin(which helps transport oxygen)
4
Q
What are potassium ions needed for
A
Healthy root growth
5
Q
Which chemicals are needed to form acid rain?
A
nitrogen oxide
sulphur dioxide
6
Q
effects of acid rain
A
leaches minerals from the soil
strip nutrients from leaves
lowers ph in lakes
7
Q
State 2 ways How could we act to reduce acid rain
A
Catalytic converter on cars
Less combustion of fossil fuels
More electric cars
8
Q
What is Eutrophication
A
The leaching nutrients from soil into an aquatic ecosystem
9
Q
What is nitrogen used for in plants
A
it creates protein for growth
