There could be a lot of reasons. To help break down food for the plants, kill off bad and harmful things that might damage the plant.
Answer:
The answer would be (B)
Explanation:
Ecological pyraminds were made to give an easy showcase of how earths ecosystem works.
trophoc levels are a part of the food chain, and the 10% rule is the amount of biomass that is carried up the food chain, all of which are involved inside ecological pyramids.
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If sodium ions are outside of a cell, they will tend to move into the cell based on both their concentration gradient and the voltage across the membrane (the more negative charge on the inside of the membrane). So cells pump out the extra ions.
This is what my candidate teacher said..
Answer:
The answer is D. Nucleus are only found in Eukaryotes.
Answer:
They are divided on the basis of flowering and non-flowering plants I.e. Angiosperms and Gymnosperms
Explanation: