Need quick on bio final lt: describe how natural selection causes organisms on earth to change over time. lt: describe how factors like genetic drift and sexual selection can affect how populations evolve. the graph below shows frequency of moths in a population. the original population had more black and white speckled moths, but the new population has more dark colored moths. image result for directional selection a. what type of selective pressure was taking place in this population? b. come up with a hypothesis related to genetic drift or sexual selection about why this shift may have occurred in the population.

1. what is the relationship between the shape of an enzyme and the reactions they catalyze?

2. how does an enzyme inhibitor work?

separate your answers so i dont get confused : )

answer: dna

because all cells have genes

occluded front i think

the ems is the abbreviation for the emergency medical services. it is a service provided by a group of medical professionals specialised doctors and other healthcare staff.

any one can call 911 in case of any medical emergency and a group of health care professional will come and give the treatment required. every day the ems staff receive many phone call, which are related to different types of medical emergencies, out of which 25-28% are exclusively related to the respiratory issues.

so, the correct answer is 25-28%.