While Sampling Marine Plankton in a Lab, a Student Encounters

question 84

Multiple Choice

While sampling marine plankton in a lab, a student encounters large numbers of fertilized eggs. The student rears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. The embryo develops into a trochophore larva and eventually has a True coelom. These eggs probably belonged to a(n)

• A)chordate.
• B)echinoderm.
• C)mollusc.
• D)nematode.
• E)arthropod.

Recognize the classifications of nutritional deficiencies and their causes.

Understand the different types of studies used in epidemiological research and their applications.

Understand the calculation and implications of relative risk and attributable risk in epidemiological studies.

Understand the concepts of incidence, prevalence, and attack rate in epidemiology.

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