Genes are segments of DNA that contain the code for specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a persons genes. Genes are contained in chromosomes. hope this helps!
Answer:
Adding sodium to chlorine gas will produce table salt. The formation of a new substance shows that both physical and chemical change occurred.
Explanation:
The major reason why it has to be both physical and chemical is because there are some physical features that would change such as weight, appearance, color among others while the chemical properties would have changed immediately the addition occur
<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.
Respiration is the ability to break down nutrients to make energy, so the answer should be the fourth option.
