Many amphibians now face extinction, and one cause is believed to be a(n) __________ fungus.
Fill in the blank(s) with the appropriate word(s).
chytrid
Biology & Microbiology
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A response to change in the internal/external environment that intensifies the change is called ____ feedback
a. positive b. physiological c. reflex d. negative e. anatomical
Biology & Microbiology
Oxygen acts as a final electron acceptor in respiration and is ultimately converted into which
molecule?
a. water b. ATP c. CO2 d. glucose e. phosphate
Biology & Microbiology
Scientists believe that the heart of the common (chordate) ancestor of all vertebrates
A. consisted of a single ventricle. B. had four chambers. C. had two chambers. D. had three chambers. E. was little more than a heavily-muscled region of the ventral artery.
Biology & Microbiology
Molecule
What will be an ideal response?
Biology & Microbiology