Dinoflagellates that exist endosymbiotically within a variety of marine invertebrates are called ________.
A. endotrophic
B. endoflagellates
C. parasites
D. zooxanthellae
Answer: D
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Thyroid hormone deficiency can lead to a condition known as ____
a. hypothyroidism b. hyperthyroidism c. rickets d. AIDS e. bowed legs
__________ in annelids regulate the composition of
body fluid. Fill in the blank(s) with the appropriate word(s).
The process by which cells acquire specialized forms and functions is called
A. cell differentiation. B. cell replication. C. cell growth. D. cell elasticity. E. None of the choices are correct.
Boiling water is a common method used to sterilize water that may be contaminated. Subjecting microbes to such high temperatures is an example of a(n) _________________ technique.
A) Microbicidal B) Pasteurization C) Tyndallization D) Microbiostatic E) Intermittent sterilization