The hypothesis is a claim or prediction. <u><em>If </em></u><em>in Petri plates, contaminated with Penicillium notatum, bacteria are dead, </em><u><em>then</em></u><em> the fungus must be inhibiting bacteria growth and killing the existing ones. </em>
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A hypothesis is a conjecture. A researcher hypothesizes to predict what is going on or what is expected to occur. The hypothesis is a claim of how it works a relation between two or more variables. Usually, it is written in the present time.
According to Fleming's experiment and his accident in the lab, we can postulate the following hypothesis.
<u><em>IF </em></u><em>in </em><em>Petri plates</em><em>, contaminated with </em><em>Penicillium notatum</em><em>, </em><em>bacteria </em><em>are dead, </em><u><em>THEN</em></u><em> the f</em><em>ungus</em><em> must be </em><em>inhibiting</em><em> bacteria </em><em>growth</em><em> and </em><em>killing</em><em> the existing ones. </em>
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Fleming observed that in plates where the fungus was growing, there were no bacteria. <em>He compared these plates with the other ones with no fungi and saw that on the other plates bacteria were still alive</em>. So he assumed that <em>Penicillium notatum</em> was causing the death of bacteria and inhibiting their growth.
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Answer:
i believe it is C. the answer is C non living i just had to do research
Phylogenetic trees always show increased branching, representing increased diversity over time.
Explanation:
A new branch in phylogenetic trees appears when new species appear, meaning that diversity increases. The appearing of new branches can show speciation processes and it can also help to understand how a certain lineage evolved through time or the specific divergence in one point.
Answer:
(Feeling sad or miserable most of the time)When you're going through a tough time it's normal to feel down for a while, emotions like sadness and grief help make us human. But if you're feeling sad or miserable most of the time over a long period of time, you might have depression.
Explanation:
Family history. Though there are no specific genes that we can look at and trace to depression, if your family members have had depression, you are more likely also to experience depression. ...
Illness and health issues. ...
Medication, drugs, and alcohol. ...
Personality.
<span>Active transport is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration—in the direction against some gradient or other obstructing factor (often a concentration gradient).</span>