<span>Early
investigators thought the oxygen produced by photosynthetic plants came from
carbon dioxide. In fact, it comes from water. The water plays an important role
in the production of oxygen. The oxygen that we are breathing comes from water.
In the process of photosynthesis, water would be split into oxygen, hydrogen
ions and electrons. The oxygen product would then be released by the plants.</span>
Answer:
- Hands and feet with 5 fingers
- Generalized skeleton
- Large brain
Explanation:
The order primate holds 300 or more species including monkeys, humans, gorillas, chimpanzees among others. The species included in this order share anatomic and functional characteristics such as:
- Hands and feet with 5 fingers and opposable thumbs, for grabbing, holding a grip for a better arboreal lifestyle. Even though in some species such as humans these opposable thumbs in feet don't longer exist.
- Plantigrade feet, which means that the toes and metatarsals are flat on the ground while walking.
- Collarbone or clavicle present.
- Nails instead of claws in the large majority of species.
- Two brain hemispheres well developed, for special traits like social behaviors and better eye-hand coordination among others.
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