1.5 Energy And Biomass Flashcards
What is the source of energy for most organisms?
Sunlight
How much light is absorbed and by what?
A small amount
Green plants and algae
What does light energy turn into in photosynthesis?
Chemical energy
What is biomass?
The mass of living material
How does biomass change when passed on?
It is less than the previous stage
How do you show change in biomass?
Pyramid of biomass
How can energy be lost between stage of a food chain?
In waste material
Respiration
Movement
What is a producer?
They make their own food from photosynthesis ie green plants and algae
What is a primary consumer?
Herbivores ie rabbits
What is a secondary consumer?
Carnivores ie lions
What are scavengers?
They feed on dead animals