What property of an object is expressed by the measurement of an item's mass per unit volume?

A.

density

B.

surface tension

C.

buoyancy

D.

viscosity

A scientist investigates two types of cells located in different parts in a human body. Cell A contains many more mitochondria then Cell B.

What would happen if the water cycle stopped?

A nurse is teaching a class to parents about keeping medications and household cleaning supplies out of the reach of toddlers. the nurse explains that this is necessary because toddlers:

What are 3 types of lipids?

Number of species in archaebacteria

1.) How do crickets communicate temperature and reactions and body parts allow them to do this? 2.) Why does the frequency of chirps go up as the temperature rises? 3.

What portion of the spinal cord contains cell bodies for somatic motor neurons?

Climate warming trends allow plant and insect species to inhabit larger ranges. true or false

The source of most variations come from

Will water move into or out of a plant cell if the cell has a higher water potential than the surrounding environment?