Answer:
Mitochondrial DNA is circular, so it doesn't shorten when it replicates unlike the rest.
small leaves protect desert plants from animals that eat plants.
A molecule is made of more than one atom of differing elements that can be simplified while an element cannot be simplified because it is only one atom of one type of element.
Aerobic exercise is the body producing energy WITH the use of oxygen (light activities like jogging). Anaerobic exercise produce energy without the use of oxygen and is typically a higher intensity that burns fat AND helps gain lean muscle mass (these are activities like weight lifting).
An Ovule is a plant organ that consists of an embryo, tissues and a protective coating.
