It’s phenotype is brown fur.
Answer: So, nitrogen is often the limiting factor for growth and biomass production in all environments where there is suitable climate and availability of water to support life.
Explanation:
If you categorize humans into large groups based on physical characteristics such as facial features and hair texture, you are relying on which form of categorization?
A. political identity
B. race
C. class- consciousness
D. ethinicity
Answer:
B. Race
Explanation:
Human races are the distinct human populations that are classified and are different from each other with respect to one or other morphological traits. It generally takes into account of the traits such as skin color, hair structure, etc. Mongoloid and negroids are two races of the human that are found in distinct geographical regions and exhibit some distinct traits that are not expressed in the humans of other races. This classification does not consider the ability of mating to produce fertile progeny.
The connection between them is Vitamin D.
Vitamin D can be obtained from food and supplements, or synthesized by our bodies when we receive UV radiation in our skin, which is our major source. However, this vitamin comes <span>inactivated</span> and the only way to activate it is through enzymatic conversion (hydroxylation) in the liver and later in the kidneys.
This vitamin is necessary in the intestines because allows calcium and phosphorus to be observed, leading to normal growth and development of bones and teeth. Without enough vit D, bones become fragile, causing osteoporosis.