Does the shape of the pyramid illustrate the concept of ecological efficiency of 10%

There are so many examples for that in different areas, like biology experiment carried out in our lab recently.

Here's one linhttps://www.creative-biogene.com/support/Lentiviral-Vectors-the-Application-for-CAR-T-Therapies

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hello which   of the following there is nothing!

feral cats are estimated to eat tens of millions of native animals each night in australia