Adaptation to terrestrial life involved major evolutionary changes. The change from gill breathing to lung breathing was accompanied by important changes in the
A) reproductive system.
B) cardiovascular system.
C) manufacture of blood cells.
D) association of blood and interstitial fluid.
Answer: B
Biology & Microbiology
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A. Streptococci. B. coliforms. C. Staphylococci. D. Streptomyces.
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How is salt extracted from the sea?
What will be an ideal response?
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The island of Surtsey, which formed from volcanic eruptions, was first colonized by _____.
A. bacteria and fungi B. lichen C. mosses D. vascular plants E. seagulls
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In which growth phase do bacteria produce antibiotics and endospores?
A) lag phase B) death phase C) acculturation phase D) stationary phase E) log phase
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