Which of the following pairs is NOT a mutualism?

a. mycorrhizae ? plant
b. Rhizobium ? legume
c. ant ? acacia tree
d. giant moray ??bluestreak cleaner wrasse?
e. ant ? yucca plant


E

Biology & Microbiology

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Based on the function of mitochondria, what substance is able to pass through the outer membrane of the mitochondria easily?  

A.  Oxygen B.  Sugars C.  Amino acids D.  Potassium ions

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Which of the following statements is true regarding chemical weathering?

A. It plays a major role in the short-term carbon cycle. B. It releases CO2 into the atmosphere. C. It relies on the acid SiO2. D. It contributes to the accumulation of CaCO3 in oceans. E. It relies on bacteria to break down rocks.

Biology & Microbiology

You are presented with an animal that resembles a jellyfish. As you examine it further, which characteristic would allow you to conclude that it belongs to the Phylum Ctenophora rather than the Phylum Cnidaria?

A. complete digestive tract. B. tentacles. C. gonads. D. stinging cells.

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Their cytoplasm includes endoplasmic reticulum:

A. Eukaryotes B. Prokaryotes C. Both D. Neither

Biology & Microbiology