food webs ; pyramids of ecosystem🏇🌸 Flashcards
1
Q
tropical leel represents
A
fuctional level not species
2
Q
law of lindemann
A
10% energy tansfer to next
3
Q
producers are
A
ecologically strong
4
Q
top cons
A
eco weakbut r physically strong
5
Q
minnerl flow is
energy flow is
A
cyclic
undirec.
6
Q
GFC
10 % law +nt decomposers -nt energy flow fast mag of energy low m.c= aquatic
A
DFC
10% -nt decomposers +nt energy flow slow mag of energy high m.c= terrestial
7
Q
staiblity of food w prop. o
A
complexicity
8
Q
david tillmann; biodiversity +ce by
A
less yr to yr variation in biomass
less impact of alien species
9
Q
paul enhrich
A
river poppet hypotheis=== ecosys. like airplane
wings—key stone sp.
10
Q
fragile biome
A
tundra arctic
11
Q
natural eco— complex food w
A
more stable
12
Q
arti. food w— simple food c/w
A
less stabl
13
Q
in grass land eco. all pyraids r
A
upright
14
Q
ocean biomass
A
inverted
15
Q
lake biomass
A
spindle or**** iberted
