<u>Answer:</u>
Common ancestor is the main factor that determines that all terrestrial animals are quadrupedal.
<u>Explanation:</u>
- Phylogeny means the evolution of the organisms or genetically related organism and how they are related.
- The study of phylogeny is called as phylogenetics. Terrestrial means those who live on land.
- Mammals are one who gives birth to their offspring directly. They are generally warm-blooded, breath air.
- Studying each state of the ancestor and also tracing the organism characteristics during evolution.
F, Cl, Br, I, At, and Uus are all halogens.
Answer:
H. pylori (Helicobacter pylori) is a bacteria that maintains homeostasis of the human body by establishing chronic infection from ulcers and gastritis and using the method of autophagy to cleanse the body of damaged cells. H. pylori also contributes to the workings of the immune defense system.
100% of offspring will be affected. The father is affected and is homozygous dominant, the mother is unaffected and is homozygous recessive. Since there are homzygous dominant genes present, they will always be there to cover the recessive genes, therefore, all offspring will be affected. Hope this helps! (:
D would be the answer to your question look it up it's easy