The first one, it controls the physical traits of an organism. Good luck, hope this helps!
Answer:
https://hobart.k12.in.us/jkousen/Biology/mendel.htm
Explanation:
This site will tell you what you need to know.
Answer: peristalsis
Explanation:it's the contraction and relaxation of muscles as the bolus moves down the oesophagus
In comparison they both show feeding relationship in an ecosystem.
In contrast, a food chain is a simple linear feeding relationship while a food web is a complex feeding relationship.
2) The arrows is to show the direction of the feeding relationship