a) what amount of energy in joules go into squirrel egestion? b.) what is the ec

Question

a) what amount of energy in joules go into squirrel egestion?

b.) what is the ecological efficiency at this teophic level? is it higher or lower than the typical efficency of trophic energy transfer among ecosystems?

c.) provide a specific explanation to the last question, explain which efficiency in the table is primarily causing this outcome and suggest why this might be happenning in this ecosystem.

d.) the net production of the hawks in the park ecosystem is 1.8J. What is the ecological efficency at the predator level?

34. Consider this simple trophic structure in a public park in Stillwater. Oak trees conduct photosynthesis in order to grow and produce acorns. Squirrels consume the acorns, and hawks prey upon these squirrels. Use the table below to answer the following questions. Be sure to use the correct units in your answer where appropriate. Round any non-whole numbers to the tenths place. Table 1. Energy at the herbivore trophic level Energy Net Primary Production (J) Consumed Energy (J) Assimilated Enerey(J) Net Production Energy (J) Park Ecosystem 550 50 20 10

Explanation / Answer

a.Amount energy goes into squirrel egestion:

according to table 1.

consumed energy = 50 J

Assimilated energy = 20 J

Net produced energy = 10 J

ejection energy = consumed energy + Assimilated energy - Net produced energy

= 50 + 20 - 10 = 60 J

Therefore quirrel egestion energy = 60 J

b. The ecological efficiency is defined as amount energy transferred from one trophic level to another trophic level in the ecosystem called as ecological efficiency. Usually, ecological efficiency is high in initial producers ( in the plant which carries photosynthesis), When this energy is transferred to another trophic level, the ecological efficiency is decreased this because only 10 % of net produced energy is transferred from one trophic level to another trophic level.

C. According to table 1, Net primary energy production by the oak plant is 550 J, Amount of energy consumed by squirrel 50 J and assimilated energy is !0 J and net energy produced is 10 J. According to enegry Efficiency, There is loss energy efficiency from one trophic level to another trophic level. This because more amount of energy is lost the process of respiration, Digestion, excretion.

D.Net energy produced by hawks in the park ecosystem is 1.8 J, The ecological efficiency at predator level is low because the initial energy produced by the oak tree is 550 J when this energy is transferred from one trophic level to another trophic level, More amount energy is utilised in anabolism and catabolism process. This reason behind low level of ecological efficiency in predator level

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