I want to say that the best option to go with will be species so option D.
The term for blue skin caused by lack of oxygen is cyanosis. One is said to be cyanotic when presenting with this discoloration.
The physical characteristics of an organism is its phenotype. I remember this because phenotype and physical both start with 'ph.'
Hope this helps. Good luck! :)
Answer:
deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision) synonyms: dichromasy, dichromatism, dichromatopsia, dichromia.
Answer:
a plant that is characterized by the presence of conducting tissue.
Explanation: