Nitrogenous waste of the body are excreted by organisms of different species differently. Others, such as the mammals excrete it in a form of urea while other in a form of ammonia. Still others, excretes it in a form of uric acid. The latter group of organisms being referred to are the BIRDS and REPTILES.
This organisms found to excrete the nitrogen as urea are called as uricothelic organisms and excrete white powder or paste. The process of conversion of ammonia to uric acid needs a lot of energy or energy intensive, however; it is less toxic and reduces need for water.
Its true,plants do produce carbon conpunds through photosynthesis. forms the basis of most of life on Earth.
When a person is born they get one chromosome from the mom and one from the dad. A female has XX chromosomes a male has XY Cromosomes. So a male would get the Y from the dad and the X from the mom.
Vestigial structures<span> are often homologous to </span>structures<span> that are functioning normally in other species</span>
<span>The pancreas secretes digestive enzymes in the slender instincts, these enzymes produce endocrine secretions through the hormones and pass through the blood. Endocrine cells called pancreatic islets secrete insulin and glucagon and have endocrine functions that are formed through the hormones and pass through the bloodstream.</span>