If a leaf appears toothed, it is a Crenate and Serrate.
Answer:
separation of populations has led to the evolution of new species
Explanation:
- When the populations evolve to become distinct species, then this process is termed as speciation.
- Speciation can occur due to various reasons and one of these reasons is geographic isolation that leads to separation fo the populations which then faces different evolutionary pressure and thus evolve into new species.
- In the Hawaiin islands, there are different species of honeycreepers because of the unique geology of Hawaii due to which new volcanic islands are constantly being formed and eroded which leads to the separation of population and their evolution into new species.
Vitaim b1. was the found in 1910
Answer:
B
Explanation:
This ensures that the research is corroborated by other scientists and is peer-reviewed hence increasing the veracity of the findings. This also ensures that conflict of interest is addressed whereby the findings by the company may appear to be compromised or biased because such a finding would be in favour of their own needs (such as financial gain). Peer review in such case is even more important because it involves humans subjects and ethics are paramount in healthcare research.