1. Which phenotype has the highest fitness? Why is this the case?
2. Explain why a characteristic which helps an animal to live longer will generally tend to become more
common in the population.

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?

Explain why the plants cortex would serve as the best food source for animals

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?