June 2019 2BR Flashcards
1
Q
Explain why the carbon dioxide concentration is predicted to increase further
by 2050
A
- increasing populatiin
- burning of fossil fuels
- Deforestation
2
Q
Explain why an increase in carbon dioxide concentration would lead to an increase
in the rate of photosynthesis
A
- CO2 is required
- to make glucose
- low conc in CO2 will make it a limiting factor
3
Q
Describe an experiment to estimate the rate of water loss from a plant.
A
- bubble
- measure bubble movement with scale
- in time
- light/temp/humidity as control variable
- Repeat
- Average
4
Q
Describe other methods of reducing climate change.
A
- use renewable energy
- less fossil fuels
- use public transport
- prevent deforestation
- fewer cattle
- less rice farming
- less methane
5
Q
population
A
one species in environment
6
Q
Community
A
Different species in environment
7
Q
Ecosystem
A
biotic and environment.
8
Q
Differences in biodiversity in woodland compare to farmer wheat farm field
A
- less biodiversity in wheat plains
- more species
- different plant
- greater variety of species
9
Q
Where is nephron located in the kidney
A
- In the cortex
10
Q
Why is there no protein present in the urine
A
- Protein is large molecules
- cannot go through bowman’s capsule
11
Q
Why glucose is present in the urine
A
- glucose reabsorb into blood
- in proximal convoluted tube
- through active transport
12
Q
Why Urea is present in urine
A
- Water is reabsorb
13
Q
Why a dog have hard time exercising
A
- less O2 transported
- More anaerobic respiration
14
Q
What stimulates ovulation (release of egg)
A
LH
15
Q
Ovulation
A
Release of egg
