pyramid models Flashcards
the distribution of en- and matter in ecosystem
pyramid model
shows the dstribution of en- in trophic levels
pyramid model
en- pyramids compare en- used by _____ and other ____ on trophic levels
producers and organisms
b/w each tier of an en- pryamid, up to __ of en- is lost into atmos as ___
90 percent
heat
only ___ en- at each teir is transformed from 1 trophic level to the next
10 percent
other pyramid models illustrate eco’s ____ and ___________ to organism
biomasss and distrubuton
measure of total dry mas of orfanism given in area
biomass
shows the number of individual organisms at each trophic level
pyramid of numbers
vast number of _____ r reuqired to support even a few top level ______
producers
consumers