Sea turtle populations are threatened with extinction by natural dangers, and humans increase that threat because sea turtles
A) are spreading into coral reefs.
B) are difficult prey for human poachers to capture.
C) are caught in nets along with other species being fished.
D) are overexploited as pets.
E) are overexploited for research and development.
C
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Four of the five choices listed below are types of
cells in plants. Select the exception. a. cork b. parenchyma c. cuticle d. sieve tube e. tracheid
Which of the following is NOT a risk factor for hypertension?
a. smoking b. obesity c. chronic stress d. a diet high in fruits, vegetables and dairy products e. excessive salt intake
The first half of the menstrual cycle is know as the _______ phase.
Fill in the blank(s) with the appropriate word(s).
Please choose the answer that indicates the significance of E. coli O157:H7 to test your understanding of this organism.
A) It is the only strain of E. coli that produces the toxin that causes endotoxic shock. B) It is the most common opportunistic pathogen in the hospital setting. C) It has been linked to various forms of cancer and autoimmune diseases. D) Its role in food-borne illness outbreaks has prompted random testing and required labeling of meat products.