<span>"Never, development continues throughout life". thats why i put on a test and got it right</span>
The carbon that plants need for photosynthesis comes from carbon dioxide, or CO2 that's present in our atmosphere.
The degeneration or failure of hearing neural pathways to the brain which can occur with aging is called presbycusis, while the condition of hearing a ringing or roaring in the ears is called tinnitus.
Presbycusis is the normal hearing loos that occurs with aging. The hearing ability is more affected for high-pitched sounds. Low-pitched sounds either are affected very less or are not affected at all. The areas inside the body that may be affected to cause presbycusis are: Inner ear, middle ear or the nerve pathways to the brain.
Tinnitus is the continuous sound of ringing audible to the ears. It can be caused as a result of some other disease or due to other reasons like exposure to loud sounds, whiplash, head injuries, excessive ear wax, or medication side effects.
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D. Genes. They have genetic material that determine our characteristics.
Answer:
Bacteria
Explanation:
Operons are the genetic regulatory system that is found in bacteria. Operons are group of genes coding for related proteins in bacteria.
Operon are consists of structural genes and regulating elements that includes operator and promoter. This feature of operons in bacteria allows protein synthesis according to the need of cell.
Hence, the correct answer is bacteria.