Viruses are not considered living because they cannot survive without a host organism, and they do not exhibit the characteristics of life.
Answer:
Carbon dioxide, nitrous oxide, and methane
Explanation:
Answer:
A Siamese cat has genes that affect it’s fur color.
Explanation:
The main type of evidence the scientists used is fossils.
Palaeontologists study plants and animals that existed in the geologic past. To do so, they use fossils and try to determine an organism's evolution and relationship with the environment and other organisms. In this example, palaeontologists used fossils from ancient horses that have gone extinct and try to decipher their evolutionary path. Recognising the evolutionary steps of the ancient horses will make it possible to compare them to the modern horses.
