While Sampling Marine Plankton in a Lab, a Student Encounters

question 66

Multiple Choice

While sampling marine plankton in a lab, a student encounters large numbers of fertilised 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) echinoderm
• B) mollusc
• C) nematode
• D) arthropod

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Definitions:

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The professional practice of managing and disseminating information from an individual or an organization to the public to shape public perception.

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The activity or profession of producing advertisements for commercial products or services, aiming to influence consumer behavior and preferences.

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Short-term marketing strategies aimed at stimulating interest, demand, or purchase of a product or service.

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A tourist activity focused on exploring and enjoying the scenic views and natural features along coastlines.