What is the estimated age of the trilobite fossils (bottom layer of fossils) ?

The part of a cell that controls taking in materials producing energy and gettin rid of waste is

You're taking a walk on a warm fall morning. The temperature is about 70 degrees Fahrenheit, and you cannot see a cloud anywhere in the sky. You notice that the ground has no dew on it either. This means the (blank) is low.

Mutations occur when chromosomes have irregularities true or false

There are two types of rabbits: those that strictly eat grass and those that strictly eat berries and flowers. A drought occurs one year, and the plants have difficulty producing any extras (flowers, berries, etc.).

Veterinarian and epidemiologist are both careers that are based in biology. Which is one of the differences between veterinarians and epidemiologists? A) Veterinarians work only with animals, and epidemiologists work only with people.

Which of the following does the sun orbit A. the center of the milky way B. the earth C. the moon D. the stars it may seem easy but im mad confused cause people say its the milky way but it orbits both the moon and earth ... ?

An acute, contagious respiration infection is called rhinitis or what?

How the movement of tectonic plates causes both slow and rapid changes on Earth's surface

A client at 42 weeks' gestation is 3 cm dilated and 30% effaced with membranes intact and the fetus at + 2 station. fetal heart rate (fhr) is 140 to 150 beats/minute.

Blood is composed of many tiny cells in a liquid called plasma. Blood is actually considered a colloid. The dispersed state of matter is, and the dispersion medium is