These are plants or animals remains used to define and identify geologic periods.

6. The total mass of living tissue at each trophic level can be shown in a (an) a. energy pyramid. b. pyramid of numbers. C. biomass pyramid. d. biogeochemical cycle.

Which device changes electrical energy into light?

Which statement best describes the phases of the Moon? •During the waxing and waning phases of the Moon, the amount of light received by the Sun changes.

From what kind of lava does pahoehoe form

Describe how quasars got their name

Which desreption indicates that a question is nonscientific

How water ends up in a water treatment facility

What best describes a theory

How do limiting factors impact different organisms?

Reabsorption of filtered glucose from the filtrate into the cells of the proximal tubule is by: Reabsorption of filtered glucose from the filtrate into the cells of the proximal tubule is by: a) secondary active transport. b) diffusion. c) antiport.