Which bar graph best represents the provided data? Cause of extinction
Percentage of total extinctions
Introduced species
39
Habitat loss
36
Hunting and poaching
23
Other
2

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.