Answer:
autotrophs!
Explanation:
plants produce their own food!
I think its reproductive cells like egg or sperm
The difference between them is that an ecosystem is a community of organisms and their environment. And a biosphere is all the living organisms.

The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the

The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the Peritubular Capillary network
This network is formed by the Efferent artiole to absorb the non waste martial which is flown out in the ultrafiltration of Glomerular capsule .