While on a walk through a forest, you notice birds in trees, earthworms in the soil, and fungi on plant litter on the forest floor. Based on your observations, you conclude that each of these organisms occupies a different

A) habitat.
B) ecosystem.
C) biosphere.
D) biome.


Answer: A

Biology & Microbiology

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a. codons on DNA b. codons on mRNA. c. codons on tRNA d. codons on rRNA e. messenger RNA and ribosomal RNA.

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All EXCEPT which of the following can occur in the

blood? a. digestion of nutrients b. binding of oxygen to hemoglobin c. transport of phagocytic cells d. stabilization of pH e. regulation of body temperature

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The genome of most plant viruses consists of what kind of RNA?

a. rRNA b. mRNA c. ssRNA d. dsRNA e. SRP RNA

Biology & Microbiology

The passage of signals back and forth between different pathways is referred to as _________.

a) transvergence b) divergence c) convergence d) coherence e) crosstalk

Biology & Microbiology