During a Biodiversity Sampling Exercise, an Undergraduate Found 52 Species

question 172

Multiple Choice

During a biodiversity sampling exercise, an undergraduate found 52 species of bees in one area of campus yet calculated that there were probably 72 species of bees in that specific area of the campus. Why is there typically a discrepancy between the number of different species caught and the calculated value of how many species probably exist in an area?

• A)All the species in the taxonomic group may actually belong to a different taxonomic group.
• B)The methods used to catch a specific taxonomic group may not be enticing to all species of the group.
• C)The time when traps were set out may not be when some species of the taxonomic group are active.
• D)Without sequencing the genomes of all the species caught, you cannot know how many there are.

---

Definitions:

Pregnancy

The condition of having a developing embryo or fetus in the uterus, marked by various physical and hormonal changes in the body.

Menstrual Cycle

The more-or-less monthly process during which the uterus is readied for implantation of a fertilized ovum. Also known as uterine cycle.

Ovulation

The release of an oocyte from the ovary during the ovarian cycle.

Intercourse

The act of sexual contact between individuals, often referring specifically to penile-vaginal penetration.