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39 Cards in this Set

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Allotrope
A substance created when an element combines with itself to become a compound. Examples include 0 3 (ozone) and c 6 (diamond)
Allloy
A metal that, unlike iron, gold, silver or aluminum, is a mixture compound of metal elements. Examples include brass, bronze, pewter, and steel
Amber
petrified sap, many early fossils have been found preserved in amber
Ambergis
A waxy substance found floating in or on the shores of tropical waters, and originates in the intestines of sperm whales
Annual
A plant that grows over only one season; examples include many common flowers such as impatiens, zinnias, and sunflowers
Apiary
A place where bees are kept
Anthropod
A huge animal phylum that includes insects, crustaceans, and arachnids
Avian
of or relating to birds
Bryphyta (mosses)
The category of plants that includes all mosses
Cambrian Era
The period that began when the oldest easily identifiable fossils first appeared. (544 billion years ago to present.
Eon
Great span of time defined by major events.
Eukaryote
An organism composed of one or more cells containing visibly evident nuclei and organelles. Includes all all plants and animals. Compare to prokaryote.
Eutheria
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.
Family
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)
Formicary
Another word for an ant's nest
Genus
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.
Halogen
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.
Igneous rocks
Rocks that solidify from a molten or partially molten state. Basalt and granite
Jurassic Period
The middle period of dinosaur dominance, known as the age of giants (21.3 million years ago to 144 millions years ago)
Kingdom
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
Marsupial
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.
Mesozoic Era
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)
Metamorphic rocks
ROcks that have been altered by heat, pressure, and or the chemical action of fluids and gases. Examples include, slate, quartzite and marble.
Mollusk
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.
Moneran
One of the basic kindgoms under which living organisms are classified. Includes all prokaryotic organisms, including bacteria, blue green algae, and primitive pathogens.
Monotreme
Also known as protheria. A strange, primitive form o mammal that reproduces by laying eggs. Found only in Australia. It comprises platypuses and echidnas.
Noble gases
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)
Order
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)
Perennial
A plant that has more than one growing cycle and doesn't need to be replanted; examples include tulips, daffodils, and crocuses
Period
Subdivion of an era marked by evolutionary changes less dramatic that those used to differentiate eras
Phylum
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
Pistil
The female reproductive organ of a plant
Prokaryote
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.
Protista
One of the basic kingdoms under which living organisms are classified. Consists of primitive animal-like organisms, distinguished by method of locomotion.
sedimentary rocks
Rocks that are formed by becoming compacted and cemented over time. Examples include shale, sandstone, and limestone.
Species
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
Stamen
The male reproductive organ of a plant
Tracheophyta
Plants with water carrying systems that allow them to live on land solo, unlike mosses. These include flowering plants
Triassic period
THe period when dinosaurs first appeared. (248-213 million years ago)