Homologous or sister chromatids
The answer is Ordovician-Silurian.
The mass extinction thaw was most likely caused by the extinction that was most likely caused by the formation and retreat of glacier was the Ordovician-Silurian extinction. It is the second largest among the five major extinction events.
Alpha Centauri d is the sure fire answer
Answer & Explanation:
Invasive species can change the food web in an ecosystem by destroying or replacing native food sources. The invasive species may provide little to no food value for wildlife. Invasive species can also alter the abundance or diversity of species that are important habitat for native wildlife.
https://www.nwf.org/Educational-Resources/Wildlife-Guide/Threats-to-Wildlife/Invasive-Species
Explanation:
In the 1950s, many scientists thought that proteins, not DNA, carried genetic information. ... Proteins seemed better suited because there are many different types of proteins with different shapes and functions, just like there are many different types of inheritable traits.