ppf Flashcards
(22 cards)
protist
any of various one-celled organisms, classified in the kingdom Protista
heterotroph
an organism requiring organic compounds for its principal source of food
eukaryote
any organism having as its fundamental structural unit a cell type that contains specialized organelles in the cytoplasm, a membrane-bound nucleus enclosing genetic material organized into chromosomes, and an elaborate system of division by mitosis or meiosis, characteristic of all life forms except bacteria, blue-green algae, and other primitive microorganisms
decomposer
an organism, usually a bacterium or fungus, that breaks down the cells of dead plants and animals into simpler substances
parasite
organism that lives on or in an organism of another species, known as the host, from the body of which it obtains nutriment
host
living animal or plant from which a parasite obtains nutrition
fungi
taxonomic kingdom, or in some classification schemes a division of the kingdom Plantae, comprising all the fungus groups and sometimes also the slime molds
spore
a walled, single- to many-celled, reproductive body of an organism, capable of giving rise to a new individual either directly or indirectly
lichen
any complex organism of the group Lichenes, composed of a fungus in symbiotic union with an alga and having a greenish, gray, yellow, brown, or blackish thallus that grows in leaflike, crustlike, or branching forms on rocks, trees, etc
Nonvascular plant
Any of various plants that lack vascular tissue
vascular plant
a plant having a vascular system
gymnosperm
a vascular plant having seeds that are not enclosed in an ovary
angiosperm
plant having its seeds enclosed in an ovary
photosynthesis
the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll
celluar respiration
the oxidation of organic compounds that occurs within cells, producing energy for cellular processes
transpertation
to move
tropism
an orientation of an organism to an external stimulus, as light, especially by growth rather than by movement.
gravitopism
.
asexual reproduction
reproduction, as budding, fission, or spore formation, not involving the union of gametes
toxoplasmosis
infection with the parasite Toxoplasma gondii, transmitted to humans by consumption of insufficiently cooked meat containing the parasite or by contact with contaminated cats or their feces
malaria
any of a group of diseases, usually intermittent or remittent, characterized by attacks of chills, fever, and sweating
giardia
any flagellate of the genus Giardia, parasitic in the intestines of vertebrates