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39 Cards in this Set
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Allotrope
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A substance created when an element combines with itself to become a compound. Examples include 0 3 (ozone) and c 6 (diamond)
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Allloy
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A metal that, unlike iron, gold, silver or aluminum, is a mixture compound of metal elements. Examples include brass, bronze, pewter, and steel
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Amber
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petrified sap, many early fossils have been found preserved in amber
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Ambergis
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A waxy substance found floating in or on the shores of tropical waters, and originates in the intestines of sperm whales
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Annual
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A plant that grows over only one season; examples include many common flowers such as impatiens, zinnias, and sunflowers
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Apiary
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A place where bees are kept
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Anthropod
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A huge animal phylum that includes insects, crustaceans, and arachnids
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Avian
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of or relating to birds
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Bryphyta (mosses)
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The category of plants that includes all mosses
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Cambrian Era
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The period that began when the oldest easily identifiable fossils first appeared. (544 billion years ago to present.
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Eon
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Great span of time defined by major events.
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Eukaryote
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An organism composed of one or more cells containing visibly evident nuclei and organelles. Includes all all plants and animals. Compare to prokaryote.
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Eutheria
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Also known as placental. The subclass of mammals that includes most malls, they bear young live and with placenta. This subclass includes dogs, people, bats, and even whales.
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Family
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A subdivision of an order in the classification of living organisms. For instance, under the order of primates, humans are classified into the family of hominidae, which also includes te gorilla, chimpanzee, and orangutan (the great apes)
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Formicary
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Another word for an ant's nest
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Genus
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A subdivision of a family under the classification of living organisms. FOr instance, under the order of primates, humans are classified into the genus homo.
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Halogen
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Any of the five elements flourine (F) chlorine (Cl) bromine (Br) Iodine (I) and
astatine (At) that form partof hte group VII A of the periodioc table and exist in the free state normally as diatomic molecules. |
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Igneous rocks
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Rocks that solidify from a molten or partially molten state. Basalt and granite
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Jurassic Period
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The middle period of dinosaur dominance, known as the age of giants (21.3 million years ago to 144 millions years ago)
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Kingdom
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The most basic classification unit of living organisms; there are five kingdoms: Plant, Animal, Fungi, Moneran (bacteria, blue green algae, and primitive pathogens that have prokaryotic cells) and Protista (primitive animal-like organisms, distinguished by method of locomotion
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Marsupial
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Also known as metatheria. A form of mammal born without a placenta and therfore nourished in its mother's pouch after birth. Its species include the kangaroo, the koala bear, and the opossum.
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Mesozoic Era
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Geologic era extending for hte end of the Paleozoic Era to the Cenozoic Era, marked by the rise and fall of the dinosaurs. (248 million years ago tp 213 million years ago)
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Metamorphic rocks
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ROcks that have been altered by heat, pressure, and or the chemical action of fluids and gases. Examples include, slate, quartzite and marble.
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Mollusk
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Any of a large phylum (mollusca) of invertebrate animals (including snails, clams, octopi, and squids, with a soft unsegmented body usually, but not always, enclosed in a shell.
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Moneran
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One of the basic kindgoms under which living organisms are classified. Includes all prokaryotic organisms, including bacteria, blue green algae, and primitive pathogens.
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Monotreme
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Also known as protheria. A strange, primitive form o mammal that reproduces by laying eggs. Found only in Australia. It comprises platypuses and echidnas.
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Noble gases
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Elements found in the far right hand side of the periodic table. They can't mix iwth other elements so they are also called inert. Argon (Ar) helium (He) krypton (Kr) neon (Ne) and xenon (Xe)
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Order
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A subdivision of a class of living organisms. For instan e, some of the orders found under the mammalia eutheria (placental animals) are primates, rodentia (rodents) and cetacea (whales)
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Perennial
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A plant that has more than one growing cycle and doesn't need to be replanted; examples include tulips, daffodils, and crocuses
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Period
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Subdivion of an era marked by evolutionary changes less dramatic that those used to differentiate eras
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Phylum
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A primary unit of division of a kingdom. FOr instance, major phyla of the Animal Kingdom include Chordata (vertebrates) anthropoda (insects, crustaceans, and arachnids) and Mollusca (including bivalves, snails, octopi, squid, etc
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Pistil
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The female reproductive organ of a plant
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Prokaryote
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A cellular organism (such as a bacterium or a blue green algae) that does not have a distinct nucleus. Comprises organism of the moneran Kingdom only.
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Protista
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One of the basic kingdoms under which living organisms are classified. Consists of primitive animal-like organisms, distinguished by method of locomotion.
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sedimentary rocks
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Rocks that are formed by becoming compacted and cemented over time. Examples include shale, sandstone, and limestone.
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Species
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A subdivision of a genus and the final division of classification for living organisms. For instance, under the genus Homo, humans are classified as the species Homo Sapiens
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Stamen
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The male reproductive organ of a plant
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Tracheophyta
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Plants with water carrying systems that allow them to live on land solo, unlike mosses. These include flowering plants
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Triassic period
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THe period when dinosaurs first appeared. (248-213 million years ago)
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