Which organism is most specialized? a. horse b. paramecium c. amoeba d. worm

A table exerts an upward force on a pencil. What type of force is this? A. weight B. normal force C. frictional force D. gravitational force

Why should you always wash your hands before you eat?

Which of the following is a limiting factor in lotic ecosystems? a. pH b. salinity c. light intensity d. all of the above

Deep yellow, dark green and orange fruits and vegetables are rich sources of

What kind of organism is a living thing that is composed of many cells

What packages proteins for the transport out of the cell

In one type of cell division, a single cell forms two new cells. This process is called mitosis. What reasoning describes why human skin cells frequently undergo mitosis?

Primary features of a long bone. Which of the following correctly pairs the structure at C with its primary component?

Described one way that streamlined plays a role in your daily activities

Which of the following is a potential drawback of using jetties to prevent beach erosion? Jetties block boats from being able to enter harbors. Building jetties are more expensive than soft beach management strategies.