D) Individual based
E) Dynamic
70. Choose the correct answer about material flux rate.
A) equation to determine how a system is
changing over time
B) refers to the amount at the current time
C) provides the average time that materials spent circulating in a pool
D) gives feedback about processes
E) the input or output of material
from a system
71. A remora hitching a ride on the shark is an example of which symbiotic
relationship?
A) Predation
B)
Parasitism
C) Commensalism
D) Symbiosis
E)
Proto cooperation
72
. Choose the relevant determination for “Grazing food chain” (GGC).
A) In this type of food chain, the dead organic matter occupies the lowermost level of the
food chain, followed by the decomposers and so on
B) In this type of food chain, large organisms either the producer or the consumer is
exploited and therefore the food passes to the smaller organism
C) The tendency of a community to return to its original
state after a disturbance
(competition, temporarily changing environment, etc.)
D) The ability of a community to avoid displacement from its present state by a disturbance
E) This is the normal food chain that we observe in which plants are the producers and the
energy flows from the producers to the herbivores (primary consumers), then to carnivores
(secondary consumers) and so on
73. Which one of the followings is not a functional unit or functional component of
the ecosystem?
A) Energy flow
B) Decomposition
C) Stratification
D)
Productivity
E) Nutrient cycle
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