Top 10 Foods Highest in Calories Written by Daisy Whitbread, MScN Calories are the basic unit of energy found in all foods and are necessary to maintain the body's vital functions or basal metabolic rate. The amount of calories a person needs depends on factors like their age, gender, and lean muscle mass.
Earthworms may appear to have radial symmetry because of their cylindrical shape, but DON'T BE FOOLED! They actually have BILATERAL symmetry. This is because they have an up and down (dorsal and ventral), and front and back (andterior and posterior).Linus Â· 9 years ago.Thumbs up.arthworms may appear to have radial symmetry because of their cylindrical shape, but DON'T BE FOOLED! They actually have BILATERAL symmetry. This is because they have an up and down (dorsal and ventral), and front and back (andterior and posterior). Linus Â· 9 years ago. Thumbs up.
All flatworms have a soft body and a triangle-shaped head. They also have eye-spots on top of their heads which can see light. Flatworms are not closely related to most other worms, such as earthworms. Bodies are flat instead of round, and they do not have segments.Flatworms spend most of their time on the bottom, especially since they can't swim.They release sticky mucus (a lot like slugs and snails) which they glide on top of.hey also have eye-spots on top of their heads which can see light. Flatworms are not closely related to most other worms, such as earthworms. Bodies are flat instead of round, and they do not have segments. Flatworms spend most of their time on the bottom, especially since they can't swim.