The answer is Speciation cannot occur in the absence of mutation. Speciation cannot occur in the absence of natural selection
Answer:
Excess nitrogen can cause over-stimulation of growth of aquatic plants and algae. Excessive growth of these organisms, in turn, can clog water intakes, use up dissolved oxygen as they decompose, and block light to deeper waters. So few organisms live in these conditions or even can suffocate and die.
It's converted to ammonia.
The white blood cells are responsible for engulfing foreign material such as debris and microorganisms in the blood and other tissues. There are types of white blood cells that are specialized in phagocytosis, these are the: (1) neutrophils and the (2) macrophages.
<em>Neutrophils are more abundant in acute inflammation and marcophages are more significant in chronic inflammation.</em>
