What is a spiracle?

Biology

1 answer:

Natasha_Volkova [10]4 years ago

6 0

Spiracles correlate with respiration, so I would say C.) an opening to tubes that take in air is your answer.

Hope I helped!

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What is a reason why cells in an organism are different?

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A and B. Because if heart cells were located in your brain, your brain would not perform the right function. And B because if cells perform different functions and are in the wrong spot im your body it wouldnt work.

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Answer;

-Evolution by natural selection

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Answer: (<u>Note</u>: You will find the image with the highlighted structure in the attached file)

Peyer's patches (aggregated lymphoid nodules)

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