The Embryo Doesn't Grow Larger During the Stage Known as Cleavage

question 8

Multiple Choice

The embryo doesn't grow larger during the stage known as cleavage. What is going on in the embryo during this process?

• A) Cleavage is the process by which the polarity of the cell is established; that is, the anterior is distinguished from the posterior.
• B) The cells are dividing at this stage, but all the cytoplasm is being split between resulting cells without the formation of new cytoplasm.
• C) Cleavage is just the stage at which cells begin to differentiate; that is, endodermal cells start to look different from ectodermal and mesodermal cells.
• D) Cleavage is the formation of the gastropore that is used to differentiate protostomes and deuterostomes.

Recognize and utilize function prototypes correctly, including those that return no value.

Understand and apply the correct syntax for including header files and utilizing common C library functions.

Utilize C library functions for mathematical operations, random number generation, and time retrieval.

Correctly use functions to perform type conversions and evaluate character properties.

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Definitions:

Well-Organized Narratives

Stories or accounts that are structured in a coherent and logical manner, making them easy to follow and understand.

Habituation Paradigm

A research technique that takes advantage of a baby’s tendency to orient to new stimulation and to habituate to repeated or old stimulation. Once an infant habituates to one stimulus a new stimulus can be presented. The baby’s reorienting to the new stimulus (or failure to do so) reveals whether or not she perceives or notices the differences between the stimuli.

Sensorimotor Period

A stage in Piaget’s theory of cognitive development, from birth to about 2 years of age, where infants learn about the world through their sensory and motor interactions.