Fish are examples of _________
a. invertebrates d. prokaryotes
b. vertebrates e. plankton
c. marsupials
B
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All of the following are considered to be biological hazards except
a. viruses b. parasites c. diet d. bacteria e. fungi
Some ____ are considered to be extremophiles
A) Eukarya B) Archaea C) Plantae D) Animalia
Geographic Information Systems (GIS) is ________
A) used to predict rainfall and temperature changes in ecosystems B) used to measure the economic value of ecosystem services C) helping conservation biologists study habitats and study biodiversity D) useful in determining the number of heterotrophs in an ecosystem E) useful in tracking the movements of individual organisms
Compounds known as a-hydroxycarboxylic acids are found in many cosmetics. These compounds contain both a hydroxyl group and a carboxyl group. What is the minimum number of oxygen atoms present in an a-hydroxycarboxylic acid?
A) 1 B) 2 C) 3 D) 4