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Which sentence describes how a unicellular organism gets oxygen?

A. It contains individual specialized cells that carry oxygen.
B. It contains specialized cells that combine into tissues that carry
oxygen.
C. It has a respiratory system that takes in oxygen.
D. It takes in oxygen through its cell membrane.

User Sesi
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1 Answer

5 votes

Answer:

D

Step-by-step explanation:

It takes in oxygen through its cell membrane

User Alok Chaudhary
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