In contrast to predation, a parasite usually ____
a. does not kill its host
b. always kills its host
c. is a short-term visitor
d. is larger than its host
e. does not harm its host
ANSWER: a
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Answer the following questions true (T) or false (F)
1. A woman begins puberty with about 400,000 follicles. 2. Sperm are fully mature when they reach the epididymis. 3. There is an epididymis adjacent to each testis.
Tiana is viewing a sample under the microscope, and she describes what she sees as: "Small purple blobs, oval in shape, some look like a large oval connected to a small oval" Which specimen is she most likely viewing?
A) Budding yeast B) Spirogyra C) Amoeba D) Aspergillus
Which of the following is an important factor in the development of dental caries?
A) high salt diet B) high sugar diet C) high acid diet D) low salt diet
Which of the following conclusions is best supported by the data?
(A) Bicoid protein inhibits translation of caudal mRNA. (B) Bicoid protein stabilizes caudal mRNA. (C) Translation of bicoid mRNA produces caudal protein. (D) Caudal protein stimulates development of anterior structures.