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.
Answer:
I think its D. Artificial Selection
Explanation:
Sorry if this didn't helped you.
Answer: False
Hope this helps b
Answer:
DNA replication is the process by which DNA makes a copy of itself during cell division
1 by unzipping the double helicase or the double helix structure of the molecule
2. the separation of two single strand of DNA
The percentage of the replicated strands of the new to the old is 50-50
Answer: osteoporosis
Explanation: Osteoporosis causes bones to become weak and brittle — so brittle that a fall or even mild stresses such as bending over or coughing can cause a fracture.
