Quaternary consumers eat the tertiary consumers and are carnivores.
Hi there,
The answer to that fill-in the blank is Liver.
The Liver is where urea is produced.
It also performs 500 different functions in your body, that is why your liver is important to your body.
Hope this is correct :)
Have a great day
<span>One observation would be the physical size of Russia compared to other countries, despite a lack of visible borders from space. In addition, part of Russia's outline would likely be obscured by the various clouds and objects in the stratosphere; this would allow the astronaut to view potential cloud and weather patterns on earth. Also, an astronaut could see outlines of Russia's geography such as mountain ranges.</span>