Answer:
Hayflick limit
Explanation:
The Hayflick limit, or Hayflick phenomenon, is the number of times a normal human cell population will divide before cell division stops. It was postulated by Leonard Hayflick in 1961,
You are going to need to give us the options
The species that are mostly to be producers to be plants because they take in the light source aka the sun via photosynthesis. This takes up most of the energy in the ecosystem
Carbon dioxide and water react to produce glucose and oxygen. Chlorophyll absorbs light and convert it into chemical energy.
Producers
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