3-D: Quick for three-dimensional. This time period is an adjective for one thing that has options that may be described in three dimensions — top, width and size.
arthropod: Any of quite a few invertebrate animals of the phylum Arthropoda, together with the bugs, crustaceans, arachnids and myriapods, which might be characterised by an exoskeleton product of a tough materials referred to as chitin and a segmented physique to which jointed appendages are hooked up in pairs.
ash: (in geology) Small, light-weight fragments of rock and glass spewed by volcanic eruptions.
biology: The examine of dwelling issues. The scientists who examine them are referred to as biologists.
crustaceans: Exhausting-shelled water-dwelling animals together with lobsters, crabs and shrimp.
eruption: (in geoscience) The sudden bursting or spraying of sizzling materials from deep inside a planet or moon and out via its floor. Volcanic eruptions on Earth normally ship sizzling lava, sizzling gases or ash into the air and throughout surrounding land. In colder elements of the photo voltaic system, eruptions usually contain liquid water spraying out via cracks in an icy crust. This occurs on Enceladus, a moon of Saturn that’s coated in ice.
evolution: (v. to evolve) A course of by which species endure adjustments over time, normally via genetic variation and pure choice. These adjustments normally end in a brand new sort of organism higher suited to its surroundings than the sooner sort. The newer sort isn’t essentially extra “superior,” simply higher tailored to the actual circumstances wherein it developed.
exoskeleton: A tough, protecting outer physique masking of many animals that lack a real skeleton, akin to an insect, crustacean or mollusk. The exoskeletons of bugs and crustaceans are largely product of chitin.
extinct: An adjective that describes a species for which there aren’t any dwelling members.
fossil: Any preserved stays or traces of historic life. There are numerous several types of fossils: The bones and different physique elements of dinosaurs are referred to as “physique fossils.” Issues like footprints are referred to as “hint fossils.” Even specimens of dinosaur poop are fossils. The method of forming fossils is known as fossilization.
perception: The power to achieve an correct and deep understanding of a scenario simply by fascinated by it, as a substitute of figuring out an answer via experimentation.
limb: (in physiology) An arm or leg.
paleontologist: A scientist who makes a speciality of finding out fossils, the stays of historic organisms.
specialization: The act of getting centered — or specialised — on a specific curiosity, ability or approach.
system: A community of elements that collectively work to realize some operate. As an illustration, the blood, vessels and coronary heart are major parts of the human physique’s circulatory system. Equally, trains, platforms, tracks, roadway alerts and overpasses are among the many potential parts of a nation’s railway system. System may even be utilized to the processes or concepts which might be a part of some methodology or ordered set of procedures for getting a process completed.
tissue: Product of cells, it’s any of the distinct varieties of supplies that make up animals, vegetation or fungi. Cells inside a tissue work as a unit to carry out a specific operate in dwelling organisms. Completely different organs of the human physique, for example, usually are comprised of many several types of tissues.
trilobite: An extinct group of arthropods that have been associated to modern-day bugs.