The answer is B. They have become habituated to human contact.
We can confirm that Ms. Bronner is using a token economy to encourage the rule-following in her classroom.
<h3>What is a token economy?</h3>
This is a method of positive conditioning in which a token of some sort is given as a prize to reinforce positive behavior, with the idea that these tokens may then be exchanged for even greater reinforcers once a certain level is reached.
Therefore, we can confirm that since the methods being described in the questions perfectly correspond to this definition, Ms. Bronner is using a token economy to encourage the rule-following in her classroom.
To learn more about the token economy method:
brainly.com/question/17465339?referrer=searchResults
Answer:
The correct answer is option d)"the percentage of pink flowers should increase over time".
Explanation:
In this study it is stated that two factors affect the flower coloration of <em>Claytonia virginica</em>: slugs preference of eating pink-flowering plants and bees preference of pollinating pink-flowering plants as well. If the researcher removes all slugs from the study population we can expect that the percentage of pink flowers should increase over time. The removal of the predator that prefers eating pink-flowering plants will favor the reproduction of this type of plants, which are also favored by bees pollination preference.