Which of the following is not recycled in an ecosystem?
a) Nitrogen
b) Sulfur
c) Carbon
d) Energy
Ans: d) Energy
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Some species of aquatic bacteria use inclusion bodies known as ________ to orient themselves in Earth's magnetic field.
Fill in the blank(s) with the appropriate word(s).
After conjugation between an F+ cell and an F- cell, is the F- cell F- or F+? After conjugation between
an Hfr cell and an F- cell, is the F- cell F- or F+? Explain each answer.
What will be an ideal response?Which features are commonly found in the Arthropods?
a. Endoskeleton, antennae and metamorphosis b. Endoskeleton, proglottids and molting c. Exoskeleton, antennae and proglottids d. Exoskeleton, antennae and nematocysts e. Exoskeleton, antennae and metamorphosis
Which cranial nerve is located furthest forward, immediately beneath the frontal lobe?
a. vagus b. optic c. olfactory d. hypoglossal