Question

PRACTICE SHEET
1.
12
B) always inverted
D) mostly inverted
13
15.
16.
A
Choose the correct answer:
Pyramids of biomass in an aquatic ecosystem are !
Dupright or inverted
Omostly upright
In an ecosystem, the:
U primary producers are more than that of primary consumers
) secondary consumers are largest, because they are powerful
O primary consumers are out of number
D) primary consumers are least dependent upon primary producers
The pyramid of biomass represents the relationships between:
quantity of living matter and different trophic levels.
B) quality of living matter and same trophic levels.
O quantity of living matter and same trophic level
D) none of the above
In order to maintain proper ecological balance:
A the existing forests should be cleared and new ones should be planted
B) some quick growing annuals should be planted if a tree must be cut for other uses
C) tree must be cut whenever necessary because the underground part performs the useful purpose
D) a tree should be planted in place of one to be cut
The two basic processes that operate in an ecosystem.
A Material cycling energy flow
B) Material cycling, energy storage
Energy flow, energy storage
D) Photosynthesis and material cycling
Select the odd one:
(
A) Land
B) Air
C) Sunlight
D) Plants
The bottom of the pyramid always occupy by :
A) Plants
B) Herbivores
C) Carnivores
D) Decomposers
5.
6.
)
7.​

Answer 1

Answer:

this question answer is that