Tyrone was recently promoted to manager. although he used to take advice from his peers, he seems no longer willing to listen to any input from them or his boss, and he is determined to run the project how he thinks best. which personal barrier to communication is tyrone exhibiting?

Over-sized ego

Explanation:

Over-sized ego is defined as the property of having big ego in which a person tends to lose interpersonal skills and empathy.They believe their every thought and work is correct and do not base their opinions and views according to other people.They have the tendency to be right in everything as thinking of being superior than others .

According to the question, Tyrone is not able to communicate due to obstruction created by over-sized ego.He thinks of being superior after being promoted to manager position.This makes him ignore other opinion and instruction of boss.He thinks he is taking correct measure for handling project  and others view and support are not important.

1 and 2

explanation:

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.