Still another remarkable characteristic of the phylum is the consistency of cell numbers (eutely), in which a precise and relatively small number of cells, remaining unvaried throughout the animalâs life, comprise both specific organs and the entire animal.n hookworms, the mouth is armed with teeth or cutting plates. Some nematodes are provided with lips, papillae or a leaf crown around the external opening of the mouth. The pharynx (oesophagus) is a strong muscular tube with walls that can contract and expand, creating a pump-like suction mechanism.
Squiggle definition: A squiggle is a line that bends and curls in an irregular way. | Meaning, pronunciation, translations and examples English Dictionary | Thesaurus | Translator | Grammar | Scrabble | Blog
Goggles are basically glasses that strap on to your head and cover your whole eye area. Swim goggles and safety goggles protect your eyes, but thereâs also virtual reality or night vision goggles that enhance or change what you see. Usually, goggles are protective eyewear. There are goggles you wear when riding a motorcycle, working in a lab with chemicals, or playing sports, for example.