I don't know Spanish but I would like to answer it in Spanish !!
Debido al exceso de carbohidratos y lípidos, el nivel de colesterol aumenta y la presión arterial aumenta! Y debido a esto, muchas enfermedades pueden desarrollarse!
That would be false because rocks are sediments.
4 is true with question you asked
Answer: A niche is the role an organism plays in the ecosystem.
Explanation: A niche also determines how the organism interacts with other organisms in an ecosystem