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Enteropneusta and Pterobranchia Are Classes of Animals Within the Phylum

question 7

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Enteropneusta and Pterobranchia are classes of animals within the phylum Hemichordata.All of the following are features relating to reproduction in members of the Hemichordata.Three features listed are either common to members of both classes or occur only in Enteropneusta.Select the one feature that occurs only in Pterobranchia.


Definitions:

Probability

The quantification of an event's likelihood to occur, represented as a number from 0 to 1.

Mutually Exclusive Events

Two events that cannot occur at the same time within the same experiment or observation.

Independent Events

Two or more events that have no influence on each other's occurrence, meaning the occurrence of one event does not affect the probability of the other.

Intersection

In mathematics, it refers to the set of elements common to two or more sets.

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