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Q: When was a control used in the investigation of the amphipods and sea butterflies?
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What was the control of the investigation?

The control of an experiment is one in which the independent variable is not manipulated. It is used as a comparison for all other aspects in the experiment.


Does butterflies need an apostrophe?

As a plural noun, butterflies does not need an apostrophe. Apostrophes are not used to make nouns plural.As a possessive noun, butterflies does needan apostrophe. The plural form is butterflies' (the butterflies' wing). Apostrophes are used to show possession.


Do butterflies have arms?

No, butterflies do not have arms. They do have legs and toes which are known as tarsi and used to taste nectar.


Why iodine is used for this investigation?

Why is it necessary to use iodine during this investigation


How many counties did the Checkerspot Butterflies used to be in?

no answer


A sentence for research and investigation?

You should use research and investigation to solve that problem.The scientist used research and investigation to perform her experiment. Research and investigation are the foundations of science.


Why do butterflies land on noses?

It is not known why butterflies land on noses but some think that a butterfly landing on the nose is symbolic. Butterflies are most thought of as signs that are used for after death communication.


Is it true that butterflies used to be known as buttercups?

yes


Can the feeling butterflies be used in a negative way?

Yes it could be


How many counties did checkerspot butterflies used to live in?

15


What do butterflies use their antennes for?

They are sensory organs used for smell and balance.


What did Isaac Newton use for his investigation?

he used a prism?