What discoveries did Ian Miller, Tyler Lyson and Sharon Milito make in Corral Bluffs, Colorado in concretion rocks?

Cells control gene expression at which steps

Identify the product of genetic engineering.

Ascientist observes certain changes in the physical features of a particular species over time. she concludes that the species has undergone evolutionary change. she wants to study the animals by analyzing their population. she’ll use . the population of this species is decreasing considerably. if this trend doesn’t change, this species will fall under the category of animals. this is a plato question, i need to make up his biology credit.