The correct sequence of levels is shown by choice A.
B. sexual selection, which alters allele frequencies in the gene pool.
The existence of being able to process photosynthesis.
Photosynthesis is a functional and adaptive mechanism which enables plants to make and create their own food with the use of sunlight. Also, water and carbon dioxide, oxygen is then the by product of this process which is beneficial to other organisms especially heterotrophs.
Answer:
pharynx as it has functions in both the respiratory system and the digestive system.
Explanation:
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