Level 4 Flashcards
How are energy lost
heat movement indigestible parts waste
What does a food chain start with
Producer
What process do they use to make their food
Photosynthesis
What percent is energy lost at
90%
How do animals and plants depend on eachother
Food,shelter and pollination
Name a animal adaptation
Eagles have good eyesight to hunt prey
Reasons why populations stop growing Is
Predation, shortage of food , disease,lack of water, lack of space and waste
3 natural hazards
Floods,earthquakes and volcanies
Hazards effect on biodiversity
Habitats destroyed plants lose shelter food
WOT does the development of a new plant from the embryo plant need
Water , oxygen and warmth
Ñame 4 methods of asexual reproduction
Bulbs, tubers runners and leaf buds
Reason for polytunnels
Increase temp and creates suitable temperature
3 reasons why humans use plants
Raw materials, food and medicine and alcohol
How can food production be increased
Use of fertilisers in area of poor soil quality
How are nitrogen be found
Protein
Where can nitrogen be found
In soil in from of nitrates and fertilisers
What is the NPK meaning
Nitrogen phosphorus and potassium
What can nitrates cause
Algae
What does nitrogen mean
Leaf growth
What does phosphorus do
For root growth
What does potassium do
Fruit and flowers growth
