00:01
Hello students, in this question we are being given a food web and we have to name the different tropic levels in it.
00:09
So this first one represents the producers, the second one represents the herbivores, the third one represents the primary consumers which are actually carnivores, primary carnivores and this is secondary consumers or secondary carnivores.
01:00
As herbivores consume the producers, primary consumers which are primary carnivores consume the primary, consume the herbivores while the secondary carnivores they consume primary carnivores as well as consume the herbivores as well.
01:20
Another question asked is we have to draw the energy pyramid of this food web.
01:33
So this would be the energy pyramid of this food web.
01:37
The first tier or level would be represented by the producers.
01:46
Second tier would be represented by the herbivores.
01:53
And third one will be represented by primary carnivores.
02:01
And this last one will be represented by secondary carnivores.
02:10
As we know that as we go up from the producers towards the top to the secondary carnivores, the energy is decreased.
02:27
So energy transfer decreases at each step as we go from producers towards secondary carnivores.
02:39
That's why there is a pyramid or triangular shape as the base of the triangular is broad as it goes up and narrows down.
02:51
So which indicates that the energy transfer also goes on decreasing as we move from one tropic level to another tropic level in a food chain or a food web...