Camouflage?
It helps the organisms get their prey, and it also allows them to get their food before other predators
takahe
The pupils rectangular shape helps the horse veiw the horizon for possible predators, which is what has kept them alive all this time.
Their shape helps them blend in with their environment, making it easier for them to hide from predators or sneak up on prey. Additionally, their shape may also help them navigate through their habitat more efficiently, such as by allowing them to move through narrow spaces easily.
A sheep's pupil is rectangular in shape, specifically elongated and horizontal. This unique shape allows them to have a wide field of vision, which helps them detect predators in their surroundings. The horizontal pupils enable better depth perception and stability while grazing.
The Takahe bird.
The fusiform body shape is hydrodynamic, allowing for efficient movement through water by reducing drag. Sharks, penguins, and aquatic mammals share this body shape to help them navigate through their aquatic environments with speed and agility. This streamlined design also helps in capturing prey and avoiding predators.
There isn't a most popular one! you should get one that suits the shape and colouring of your face. xxx
The cell wall helps keep the shape of the cell.
A rectangle (rolled into a circular shape).
A lot. Dolphins are aquatic mammals and angel fish are, well, fish. There's a number of contrasts in size, colouring, shape, diet and oxygen source, too.
Spherical! Hope this helps :)