Answer:
The answer is the second option: a Biotic Community
Answer:
controlling more variables
improving measurement technique
increasing randomization to reduce sample bias
blinding the experiment
adding control or placebo groups
Organism: the Definition is online “ A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism
Plant cells have thick, sturdy cell walls, which provide rigidity and hold up the plant.
Micrometre, also called micron, metric unit of measure for length equal to 0.001 mm, or about 0.000039 inch. Its symbol is μm. The micrometre is commonly employed to measure the thickness or diameter of microscopic objects, such as microorganisms and colloidal particles.