This is a population of fish.

This is a starfish which has radial symmentry. Radial symmentry is when an organism is cut symmentrical segments through a center point.

I know this is hard to see but it is a rollie pollie that demonstrates an animal with a segmented body.

A snake is a heterotroph where it eats other animals to obtain energy.

The white bengal tiger is an example of an animal with a genetic variation within a population because its genes have been mutated to white fur over the orange fur.