A student is observing microorganisms in a sample of pond water. One organism of interest has an obvious nucleus, small oval structures containing a green pigment, and does not appear to be motile. In which of the following groups would this microbe most likely be classified?
A. Eukaryotes (Protozoa)
B. Eukaryotes (Fungi)
C. Archaea
D. Eukaryotes (Algae)
E. Bacteria
Answer: D
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Which of the following samples of microbial communities would be best suited for study by microelectrode experiments?
A. During infection in a human patient B. Sample sorted by optical tweezers C. Striated microbial mats D. 10 gallons of seawater
Organisms living on the sediment surface of sandy and muddy beaches are collectively referred to as ________
Fill in the blank(s) with correct word
The body of a bilaterally symmetrical animal can divided into two equivalent halves by more than one
plane. ____________________ Indicate whether the statement is true or false.
Which animal are characterized by a four-chambered heart and hollow, light, limb bones?
a. mammals b. lizards c. birds d. snakes