18.
(a)
(c)
Create a food chain of the following organisms :
Insect, Hawk, Grass, Snake, Frog
Name the organism at the third trophie level of the created food
chain Casciveny, heravons
Which organism of this food chain will have the highes
concentration of non-biodegradable chemicals? Hower
Name the phenomenon associated with it.
If 10,000 joules of energy is available to frogs, how much ener
will be available to snakes in this food chain ?
(d)
(e)
OR
(a)
What is an ecosystem?
Answers
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Answer:
From the following organisms hawk will have highest concentration of non biodegradable chemicals
*This is because the concentrations of non biodegradable chemicals increases from 1st trophic level to the tertiary trophic level
*And this phenomenon is known as bio-magnification
Explanation:
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