Eliminate
B) ecosystem
C) community
D) ecological niche
hello
The Answer is B) ecosystem
A(n) Ecosystem is a collection of all of the abiotic factors and biotic factors in an entire region.
The energy that is left after the third trophic level is 10 kcal.
Hence, if each level in a food chain typically loses 90 percent of the energy it takes in, and the producer level uses 1000 kcal of energy, the energy that is left after the third trophic level is 10 kcal.
To know more about energy flow in trophic levels, refer to: brainly.com/question/17249801
#SPJ2
The three main parts of the geosphere are the crust, mantle, and core.
The three main parts of the geosphere are the crust, mantle, and core. The crust is the outer layer of the Earth and consists of oceanic basalt and continental granite. The mantle is the largest part of the Earth's interior, lying between the crust and the core. It is more or less solid but can deform and flow slowly. The core is the central part of the planet and consists of higher density material.
#SPJ6