Energy And Ecosystems Flashcards
What percentage of energy is lost in a food chain as it passes to the next level.
90%
How is energy lost at each stage in the food chain.
Heat and movement energy.
How is energy stored in the food chain.
Undigested material.
What is a pyramid of numbers.
Is a diagram that represents the relative numbers of organisms at each level of a food chain.
What is a biomass pyramid.
It’s a diagram that shows the relative total masses of organisms at each level of a food chain.
What is the energy pyramid.
It’s a diagram that shows the relative total energy in the bodies of all organisms at each level of a food chain.
What are decomposers
Organisms that help convert proteins into dead organisms to ammonium compounds.
What is competition.
Competition occurs when organisms struggle for the same resources that are short in supply.
What is Interspecific competition.
Interspecific competition occurs if animals from different species compete.
Give the definition of a biome.
Answer here
Give three examples of global biomes.
Tundra
Desert
Rainforest
State what is meant by Ecosystem.
Answer here
Give two examples of abiotic factors in an ecosystem.
Answer here
Give two examples of abiotic factors in an ecosystem.
Answer here
Give two examples of biotic factors in an ecosystem.
Answer here
