The tapeworm grows and reproduces in the digestive tract.
I think it is B I had done these.
Answer:
it happens when 2 organisms jelp each other beneficial.
Explanation:
eg:algae and leguminous plants.the algae live on the roots and take in the nitrogen from the soil,which the plant cannot do and needs for growth.it takes in the nitrogen and pases it to the roots and even make the soil loose for the roots to move and they get a living space(algae on the roots).
Motivation based on internal factors such as organismic needs (competence, relatedness, autonomy), as well as curiosity, challenge, and fun is known as Intrinsic motivation.
Intrinsic motivation is doing of an activity for inherent satisfaction rather than for some separable consequence.When individual is intrinsically motivated is moved to act for fun or challenge entailed rather than because of external products , pressure or rewards.
It is important because for task persistence , seeing a project through , and for ensuring exploration of as solution. It is accompanied by positive affect that love of the task is an important component of creative work. It strengthens efforts and persistence. Three element of motivation is autonomy , mastery and purpose.
To learn more about Intrinsic motivation here
brainly.com/question/3143857
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