While humans rely on the heart for blood circulation, some creatures manage without one. Flatworms, jellyfish, sea sponges, ...
The belief in a flat Earth has deep roots in ancient history, with early civilisations envisioning the world as a flat plane. While Greek philosophers like Pythagoras and Aristotle eventually ...
Unlike all other animals, flatworms do not have a complex internal system ... Often found on ocean floors, sea sponges are colourful aquatic creatures lying on the bottom of the ocean bed. They do not ...
The animal has “two compact clusters (of) tentacular eyes (12-17 eyes per cluster), two scattered clusters of cerebral eyes (15-20 eyes per cluster, distributed … in front of ...
The oval-shaped body belongs to a marine flatworm, a group of invertebrates that can range in color from see-through to neon and seemingly glide along the bottom with hairlike protrusions all over ...