Answer:
Canine Blood Types and Breeds
An erythrocyte is a red blood cell. The canine blood groups most commonly recognized are DEA-1.1, DEA-1.2, DEA-3, DEA-4, DEA-5, and DEA-7. Some blood types cause more dangerous reactions than others, and the DEA-1.1 group is the worst offender.
Answer:
uniformitarianism, Fossil groups, 48 million years ago.
Explanation:
- Uniformitarianism is the doctrine of uniformity that assumes that same environmental laws and process operate till date that has also occurred on the past but not with the same uniformity. Unlike the atmospheric that is short-lived and sudden changes over the period of time.
- William Smith was a geologist who has noticed a certain type of fossil in a certain layer of sedimentary and igneous rock. A similar layer of strata could be found in the areas that were further apart.
- The Permian period was from 229 to 251 million years and was the last period of the paleozoic era and is recorded for the last major extinction in the history of life in earth and it lasted for 48 million years.
