The trunks of Palm trees do not get thicker as they age; rather, they simply grow taller. Some Palms have trunks that are as skinny as pencils. Fossil Palm trees date back 100 million years to the Jurassic Era. Muslims regard the Date Palm as the tree of life, as its roots can be traced back more than 5,000 years.
In this article. Tapeworms are flat segmented worms that live in the intestines of some animals. Animals can become infected with these parasites when grazing in pastures or drinking contaminated water. Eating undercooked meat from infected animals is the main cause of tapeworm infection in people.
Annelids (segmented worms). The phylum Annelida are the segmented worms and are abundant in all habitats. External segments are characterized by ringlike structures called metameres along the body, and corresponding internal segments are called septa. Segmentation gives worms more flexibility in movement.