Which of the following is not recycled in an ecosystem?

a) Nitrogen
b) Sulfur
c) Carbon
d) Energy


Ans: d) Energy

Biology & Microbiology

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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).

Biology & Microbiology

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?

Biology & Microbiology

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

Biology & Microbiology

Which cranial nerve is located furthest forward, immediately beneath the frontal lobe?

a. vagus b. optic c. olfactory d. hypoglossal

Biology & Microbiology