Answer:
1st is correct
Explanation:
At its simplest, a dog's digestive system is a long tunnel that runs from their mouth to the anus. Food goes in at the mouth and travels through this tube and at various stages is broken down and either absorbed into the body or excreted as waste at the anus.
B) Bb x Bb because to have blue eyes they need to get the trait from both parents
Answer:
C.Asxins cause plants to grow wider
