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.
(assorted species, including: Lumbricus terrestris and Lumbricus rubellus). The two most common species of earthworms in Northern Virginia are the Common Earthworm, or nightcrawler (Lumbricus terrestris) and the Red Earthworm (Lumbricus rubellus).These earthworms were introduced from Europe many years ago.arthworms are hermaphroditic, meaning they can all lay eggs after they mate. Earthworms lay coccoons which have an egg inside. Once an earthworm has hatched, it can live up to about three years. Earthworms are hermaphroditic, meaning they can all lay eggs after they mate.