Give me the meanings in your own words

Ecosystem:
Habitat:
Community:
Population:
Organism:

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?

What causes darkening of the skin as melanin production increases

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated