Answer:
Anomalous expansion
Explanation:
Anomalous expansion of water is the abnormal way water expands when exposed to low temperature.
At 4 degree Celsius , the density at the top layer is usually at the Maximum which makes the water sinks down and then the water in the lower layer rises up. 
When the temperature drops below 4 degree Celsius, the water molecules at the top then freezes leaving the denser molecules at the bottom which doesn’t freeze as a result of their high density.
This way, organisms can survive in the water due to the lower layer not freezing.
 
        
             
        
        
        
Answer:
All animals share a common ancestor.
Explanation:
All living organisms including animals have evolved from common ancestral organism. It is evident from various researches in relation evolutionary diversification of species.  The process by which numerous variety of species are formed from a common ancestor is known as speciation. The attached diagram showing the phylogeny tree of life is a solid evidence of common ancestral origin of life.
 
        
             
        
        
        
Stretching of the atrial muscle cells releases a hormone called atrial natriuretic factor (ANF). ANF relaxes the juxtaglomerular (JG) cells of the afferent arteriole and thereby increases GFR and urine output.
 
        
             
        
        
        
Answer:
ima be honest i did not know so i had to look it up so i hope this helps?
Explanation:
Terms in this set (9)
normal distribution the frequency is highest for the the middle, or mean phenotype, and lowest for the ends, or extreme phenotypes
what phenotype has the greatest frequency in a trait that follows a normal distribution? ...
microevolution the observable change in the allele frequencies of population over time