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emmasim [6.3K]
3 years ago
11

When two experiments are identical except variable, the experiment is called an

Biology
1 answer:
Olegator [25]3 years ago
6 0
Its called a controlled
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3 years ago
Which of the following pairs of structures are an example of homologous structures
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Well, a homologous structure is a bone or something else that is present in many different species that could point to a common ancestor. Since you do not have the examples in your question I will just give you some and hope that it helps you: 
The arm of a human, the wing<span> of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale. 
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I hope this helped! Let me know if it did not! 
I hope you have a fantastical day!!XD
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Streptococcus pneumoniae is a major human pathogen responsible for enormous global morbidity and mortality. Despite this, the pneumococcus makes up part of the commensal nasopharyngeal flora.

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