Number of producer depends on ecosystem we are talking about. I am taking this question as terrestrial ecosystem so for the terrestrial ecosystem the answer will be group D.
In terrestrial ecosystem number of producer is higher than the second trophic level that is primary consumer. To study this we use pyramid of number. In most cases the pyramid of number is upright with members of successive higher trophic level being fewer than the previous one. The maximum number of individuals occurs at the producer level.
Answer ; A.) Aquatic Animals .
I wasn't sure if you forgot to add the sentences so I'll just give you the definition.
A scientific theory is an <span>explanation of an aspect of the natural world, based on facts and data that have been collected through observation and experiment.</span>
Everyone dusting away at the end of avengers infinity war can be considered a chemical change
Answer:
Is there a higher concentration of potassium inside or outside the cell?
The sodium and chloride ion concentrations are lower inside the cell than outside, and the potassium concentration is greater inside the cell. These concentration differences for sodium and potassium are due to the action of a membrane active transport system which pumps sodium out of the cell and potassium into it.
Explanation:
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