When dna is coiled around the histone proteins what happened to the rate of transcription of the genes

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

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.

What elements together make up seven percent of the earth crust