Answer:
Because once they were very common they disappeared after the mass extinction event. ... Many geologic periods were defined by events that made natural boundary to the period.
Answer:
E. All are translational control
Explanation:
Translational control is important in a cell for stress response, response to biotic and abiotic factors and homeostasis. Translational control in cells will maintain the newly synthesized protein levels. This will be done in a few different ways from managing the mRNA to the regulation of ribosomes that are involved in protein translation.
Answer:
This research employed the population density, building density and building coverage ratio as independent variables, whereas Escherichia coli is a dependent variable.
Primary succession is the colonization of living organisms into an area that was not previously colonized by any living things. A Secondary succession is the regeneration of the living community after a major disturbance.
Descriptive data = valid data
