How long can primary succession take to be completed?
a. ten to hundreds of years
b. hundreds to ten thousands of years
c. thousands to millions of years
d. hundreds to thousands of years

Give the biological term for: structures that display characteristics of living organisms only within living cells

What two fields of study provide the core information that is used to classify organisms?

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?