2nd answer ecological succession .. don't know about the first one
DNA is a structure that can be compared to A) Blueprints. This is because of DNA's role in the cell. DNA tells ribosomes how to make proteins just like a blueprint tells workers how to build a building.
Answer:The digestive and excretory systems work together to get the nutrients needed from food and then release waste products. If the waste products of food are not removed, they can cause pain and discomfort.
Explanation:
PRESS THE CROWN
The meaning of Deontology is known as, the study of the nature of duty and obligation.