The overuse of antibiotics has led to A) the extinction of viruses. B) the extinction of bacteria. C) new antibiotic-resistant populations of viruses. D) new antibiotic-resistant populations of bacteria.

Which statement BEST describes a scientific theory? OA) No scientists believe it is correct. OB) A few scientists believe it is correct. OC) Many scientists believe it is correct. OD) All scientists believe it is correct.

Why do sandy beaches form at many sea shores?

Territorial behavior does not extend to organisms of different species. True or False

What affect does a keystone predator have on its habitat

Describe how the cells in your body get energy and the use that energy

A 14 month old child returns from surgery for an undescended testicle. when planning for the child's discharge, the nurse should remind the parents to observe their child for

How and why does soil and water heat and cool differently and how that affects the air above it

What is the adaptive (natural selection) benefit of the diving response in aquatic and marine mammals? do you think it has an adaptive purpose in humans of is it just a remnant of our evolutionary past?

What happens to the density of the Earth's Layers as you move towards the core of the earth

In humans, what is the results when a valve is leaking blood backward in the heart