This is the excretory system
Answer:
Charles Darwin
Explanation:
Evolution theory is a shortened form of the term "theory of evolution by natural selection," which was proposed in the 19th century by Charles Darwin and Alfred Russel Wallace.
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Biology is the study of life so a Biologist would study biology: the study of life and living things.
The pectoral muscles are found on the anterior chest wall (thoracic wall) of a pig. Three pectoral muscles are:
1. Pectoralis major- the most superficial muscle in this region.
2. Pectoralis minor- the muscle that is below the pectoralis major
3. Serratus anterior- the muscle that is adjacent to the chest wall
