How much energy is passed on at each level of a food chain
10%
What’s a pyramid of energy
A pyramid of energy is thr amount of energy available at each level of a food chain
What’s a pyramid of numbers
A pyramid of numbers shows the number of organisms at each level of a food chain
Name 3 types of pollution
General pollution
Climate change
Habitat destruction
Name 3 reasons for general pollution
Litter
Acid rain
Car emissions
Name 2 reasons for climate change
Green house gasses
Global warming
Name 5 reasons for habitat destruction
Roads (being built(
Houses (being built)
Deforestation
Farming
Industrial building
What’s an indicator species
Organisms which determine the level of pollution within an area
What are the three letters on fertilisers
N -Nitrogen
P - Phosphurus
K - Pottasium
What’s nitrogen good for in a plant
Healthy stem and leaves
What’s a sign of low nitrogen levels in a plant
Pale green or yellow leaves
What’s phosphorus good for in a plant
Strong and healthy roots
What’s a sign of not enough phosphorus in a plant
Edges and bases of leaves turn red or purple
What’s potassium good for in a plant
Healthy flowers and fruit
What happens if the plant lacks pottasium
Yellowish leaves maybe purple spots
Describe magnesium job(s) within a plant
Makes chlorophyll, not enough = yellow leaves
Why are fertilisers added
Increase levels of plant materials
