The food sources available for a particular species in an ecosystem. Also space where they can live and reproduce, but food is the main factor.
The answer is letter a. loop
An example of the liver is an organ.
The liver is positioned on the right side of our stomach, and is colored reddish-brown. The liver aid us to get rid of damaging substances and benefits us to keep the body natural of contamination. The liver also is treated as a gland, due to generating bile (needed to consume fats). The liver can likewise help us wipe out aged blood cells, eliminates unhealthy substances such as alcohol and narcotic types, and also serves in balancing iron and vitamins in us.
True i think but i could be wrong. hope you get it right!
Established of a community in an area of bare Rock or bare sand where no topsoil is present