Tag: science & technology

Arthropoda is the phylum that includes invertebrates with segmented bodies, exoskeletons, and jointed appendages. Spiders (arachnids), crabs (crustaceans), and cockroaches (insects) are all arthropods. Earthworms belong to Annelida.

Henry Ford's first vehicle was the Quadricycle, built in 1896. It was a simple, buggy-like vehicle with four bicycle wheels, powered by a two-cylinder engine.

Annelida includes segmented worms such as leeches and earthworms. Tapeworms are flatworms (Platyhelminthes), and amoebas are single-celled organisms (Protista), not annelids.

Starfish belong to the phylum Echinodermata, which includes marine animals with radial symmetry and spiny skin. They are not chordates, nematodes, or mollusks.

Humans belong to the phylum Chordata, which includes animals with a notochord at some stage of development. Homo Sapiens is the species name, not a phylum. Vertebrata is a subphylum within Chordata, and Porifera are sponges.

The Nickelodeon was the first theater exclusively devoted to showing motion pictures, opening in 1905 in Pittsburgh. These small storefront theaters were named after the admission cost of five cents (a nickel). The other options are either too generic or incorrect.

Zygomycota is a phylum of fungi, while Mollusca, Placozoa, and Chordata are all animal phyla. Fungi belong to a separate kingdom (Fungi) entirely, making Zygomycota the clear odd one out. The other three share characteristics of multicellular animals with specialized tissues.

The Adventures of Obadiah Oldbuck (published in 1842) is recognized as the first comic book published in the United States. It was actually a translation of a Swiss work by Rodolphe Töpffer. The other options are either made up or incorrect titles.

Arthropoda comes from Greek roots: 'arthron' meaning joint, and 'pous/podos' meaning foot. The name literally translates to 'jointed feet,' which is the defining characteristic of this phylum that includes insects, spiders, and crustaceans. 'Bony Appendage' and 'Exoskeleton' describe features but are not the etymological meaning.

Ferns are vascular plants that reproduce via spores and belong to the division Pteridophyta. Bryophyta are mosses (non-vascular), Pinophyta are conifers, and Porifera are sponges (animals). Pteridophytes include ferns, horsetails, and club mosses.