You Are Sampling a Stream with a Net, Collecting 100

question 55

Multiple Choice

You are sampling a stream with a net, collecting 100 macroinvertebrates. You have been told the stream has high richness but low evenness. Which of the following collections would best represent the stream if what you were told is true (assume the different macroinvertebrate types noted are all the same species (e.g., 20 mayflies are all of the same species) ?

• A) 80 caddisflies, 20 mayflies
• B) 60 caddisflies, 20 mayflies, 10 stoneflies, 5 damselflies, 4 dobsonflies, 1 cranefly
• C) 60 caddisflies, 8 mayflies, 8 stoneflies, 8 damselflies, 8 dobsonflies, 8 cranefly
• D) 60 caddisflies, 37 mayflies, 1 damselflies, 1 dobsonflies, 1cranefly

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Definitions:

Retroviral DNA

The DNA that results from the reverse transcription of retroviral RNA, integrating into the host's genome.

Transcribed RNA

The RNA molecule that is synthesized from a DNA template during the process of transcription, serving various roles in the cell, including mRNA, tRNA, and rRNA.

Host Genome

The complete set of DNA, including all of its genes, within an organism or cell.

Emerging Disease

A disease that was previously unknown or has recently begun spreading to a new region.