Answer:
Temperature
Explanation:
An experiment has an independent variable which is a factor changed during the experiment. Effect of changes in the independent variable on the dependent variable is seen during the experiment.
According to the question, the experiment was set to observe the effect of temperature on bacterial growth. The bacterial population was exposed to different temperatures. Since the temperature was changed to observe its effect on bacteria growth, the temperature is the independent variable here.
Answer:
D
Explanation:
Because when Charles Darwin first wint he found that most had short fat beaks and other had long pointy beaks.
Meiosis- Creation of new individuals, new cell which creates diversity. Created by sperm and egg cell
Mitosis- Creation of new cells, they are the exact same, no difference
Rough ER is dotted with ribosomes which give it a "rough" appearance. Smooth ER doesn't contain ribosomes. :) Hope this helps!
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