1. casual meanings are more generic and informal (hence the word "casual") while scientific meanings are more specific and formal.
2. No, because a theory and law are 2 different things. A theory explains WHY and a law explains WHAT.
The powerhouse of the cell: That is a term used to describe the MITOCHONDRIA, because its main function it to produce energy for cellular activities.
Mitochondria is the host of cellular respiration. This is where the Mitochondria take in glucose and oxygen to produce energy and is distributed all throughout the body as energy-rich molecules of ATP.
<span>Organisms that use photosynthesis (or utilize photons and nutrients from the abiotic environment to survive)</span>
