Choose the Letter of the Best Match of the Formed

question 40

Multiple Choice

Choose the letter of the best match of the formed elements with the following precursors.
-B-lymphocyte

• A)lymphoid stem cell
• B)megakaryocyte
• C)monoblast
• D)reticulocyte
• E)myeloblast

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Definitions:

Iteroparous

Having repeated reproductive cycles throughout a lifetime. Compare with semelparous.

Density-Dependent Factor

An environmental factor whose effects on a population change as population density changes; tends to retard population growth as population density increases and enhance population growth as population density decreases. Compare with density-independent factor.

Negative Feedback

A regulatory mechanism in which a stimulus causes an opposite output in order to maintain an ideal level of whatever is being regulated.

Type-II Survivorship

A survivorship curve in which individuals are equally likely to die at any age, representing a relatively constant mortality rate throughout the organism's life.