Answer: The Independent Variable
Explanation:
A good way to remember is the I in Independent. <em>I can change this, I control this</em>
(Ex. Different rose bushes are grown in a greenhouse for 2 months. The number of roses on each bush is recorded at the end of the experiment.
- Independent Variable - Type of roses
- Dependent Variable - # of flowers
- Controlled Variable - Most natural/common rose bush)
I believe it is <span>Detergents </span>
Animals depend on food and without food it will break our animal food source chain. for example cows depend on hay and lions depend on meat from cows or something like that
Answer:
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Yes. I think that there are some closely related species of organisms that cannot be identified with a dichotomous key.
Dichotomous key is used to classify objects or organisms based on its physical characteristics. Because of that limitation, there are species that may be related according to the dichotomous key but are in fact not or its relation is very minimal whereas there are organisms that may seem unrelated based on their physical characteristics but are actually from the same ancestors.