How many people are in the class ?
A situation which is most likely to be a driving force for changes in a species is increased mating events due to environmental stability.
<h3>What is a species?</h3>
A species can be defined as a biological classification of related organisms that have similar characteristics and they are capable of mating (breeding) with one another in a cycle or different seasons.
This ultimately implies that, increased mating events between living organisms due to environmental stability is a situation which is most likely to be a driving force for changes in a species.
Read more on species here: brainly.com/question/19878144
The instruction that should be included by the nurse is: There is the potential of decreased effectiveness of birth control pills while taking phenytoin.
<h3>What is an Instruction?</h3>
This refers to the set of actions that a person needs to take based on clearly defined information.
Hence, we can see that with the administration of phenytoin to a patient, the nurse in charge needs to make a discharge teaching plan for the patient and tell the person the potential of decreased effectiveness of birth control pills while taking phenytoin.
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