An organ system is made up of A.
organs that work together to perform a certain function.
B.
organisms that have similar behaviors and appearances.
C.
all of the tissues found in an individual organism.
D.
identical cells that perform the same function.

Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?

Variety of living organisms; includes genetic, species, and ecological types.

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.