Women between the ages of 31 and 50 need slightly less, requiring 2,200 calories and 247.5 and 357.5 grams of carbohydrates each day. After the age of 50, active women should eat between 2,000 and 2,200 calories and 225 to 357.5 grams of carbohydrates each day.
There is a special reason that flatworms are flat. Because of their flatness the area of their 'body' is bigger (so a bigger surface area).Through this characteristic, they are able to diffuse more in and out of their endosystem. because.here is a special reason that flatworms are flat. Because of their flatness the area of their 'body' is bigger (so a bigger surface area).
Body Cavity. Flatworms are acoelomate, which means they do not have a body cavity. Roundworms are psuedocoelomate, which means they have a body cavity between their mesoderm and endoderm layers.he flatworm Planaria and the roundworm Caenorhabditis elegans are both lab organisms that are called worms. However, they are not closely related. Flatworms (phylum Platyhelminthes) and roundworms (phylum Nematoda) are both called worms, but there are many differences between these two types of organisms.