A species whose effect on biological diversity is disproportionate to their own abundance is termed:
a. predator.
b. keystone.
c. carnivore.
d. producer.
e. herbivore.
B
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A DNA microarray is ____
a. used for gel electrophoresis b. used identifying fragments of genes using a labeled probe c. linked to self-replicating vectors to create recombinant DNA molecules d. a series of long mRNA sequences placed on a solid support and has several uses e. a series of short nucleotide sequences placed on a solid support and has several uses
It’s your turn to clean out the refrigerator in the lab break room again, which is definitely your favorite way to spend a Friday afternoon. While you are contemplating moldy peaches, and your own disappointment at the lack of a limerick, you glance at the pantry door, from which has appeared a stream of ants carrying bits of cereal and crackers. You follow the ants out the door, down the hall, to a supply closet, where you find they’ve established a colony in a case of printer paper. If these were just any ants, you’d put in a ticket for an exterminator and go home, but alas!; they’re endangered Cube Farm Ants, which means the pantry and supply closet are now wildlife preserves. The thought of all the paperwork you’re going to have to fill out almost ruins your entire
weekend, until you realize you are standing in the middle of a fantastic pun – what is it? a. biodiversity hotspot b. closet species c. wildlife corridor d. ecological niche
Which genus of great apes includes bonobos?
a. Pan b. Gorilla c. Pongo d. Homo
Four of the five answers listed below are arthropods. Select the exception
a. barnacles b. bumblebees c. spiders d. octopus e. ticks