When do homologous chromosomes separate during meiosis?

According to the law of conservation of energy, energy can neither be created nor destroyed. if this is true, why is there less energy in the top of the energy pyramid than there is in the bottom of the energy pyramid?

Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on the repeated experimentation with similar results

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?