Fate of Energy Following Through a Food chain Flashcards
1
Q
what percentage of energy is passed on at each transfer
A
10%
2
Q
stay the percentage of energy lost at each transfer
A
90%
3
Q
which of the following food chains would supplement more energy to man ? A OR B
A = WHEAT - HUMANS B = GRASS - SHEEP - HUMANS
A
the answer is A because there is more energy being transfers though a smaller number of organisms this means there is less energy being lost between trophic levels.
4
Q
what do the arrows represent in a food chain
A
It represent the flow of energy from organism to another as on member of the food chain eats another
5
Q
what happens when there is an increase or decrease in any population in a food web
A
in the population of ANY organism in a food web will directly or indirectly affect the population of ALL the organism in the food web.
