What are photosynthetic organisms
Organisms that make food by light energy
What do photosynthetic organisms produce for life
Biomass
What are producers
Organisms that synthesise molecules
What are common types of producers
Green plants and algae
What molecules do producers make
Glucose
What can be used to represent feeding relationships
Food chains
What is a consumer
An organism that eats other organisms
What are predators
Consumers that kill and eat other animals
What are prey
Animals that are killed and eaten by predators
What is a stable community
All environmental factors are in balance and population sizes remain fairly constant
What are the five main processes in the water cycle
Evaporation
Condensation
Precipitation
Transpiration
Drainage
What process loves water from the ground to the atmosphere
Evaporation
What process moves water from the atmosphere to the ground
Precipitation
Which process forms clouds
Condensation
What process returns water to seas
Drainage
Microorganisms that break down dead matter
Decomposers
What do decomposers break down
Carbon compounds
Where do plants and algae take in carbon dioxide from
Atmosphere
How are carbon compounds passed through the food chain
When plants are eaten by animals
What do animals use carbon compounds for
To build their own molecules and structures
How is carbon returned to the atmosphere
Respiration
Which organisms carry out respiration
Plants animals and microorganisms
What does respiration by decomposers release
Carbon dioxide into the atmosphere
Roles of microorganisms
Return carbon dioxide
Return mineral ions
