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Key Terms: Ch. 6

Chapter 6 Key Terms
Binomial nomeclature the naming system for organisms in which each organism is given a two-part name ( genus and species)
Budding A form of asexual reproduction in which a new organism grows out of the body of a parent
Cilia The hair-like projections on the outside of cells that move in a wave like manner
Classification The process of grouping things based on their similarities
Conjugation The process in which a unicellular organism transfers some if its genetic material to another unicellular organism
Cotyledon A seed leaf that stores food
Decomposer An organism that breaks down the remains of dead organisms
Embryo The young organism that develops from a zygote
Algae Plant-like protists
Endospore A small, rounded, thick-walled, resting cell that forms inside a bacterial cell
Fertilization The joining of a sperm cell and an egg cell
Flagellum A long, whip-like structure that helps a unicellular organism move
Flower The reproductive structure of an angiosperm
Fruit The ripened ovary and other structures that enclose one or more seeds of an angiosperm
Genus A classification grouping that consists of a number of similar, closely related species
Hormone The chemical product of an endocrine gland that speeds up or slows down the activites of an organ or tissue; also a chemical that affects a plant's growth and development
Host An organism that provides a source of every or a suitable environment for another organism to live
Hyphae Branching thread-like tubes that make up the bodies of multicellular fungi
Ovule A plant structure in seed plants that contain an egg cell
Parasite An organism that lives on or in a host and causes harm to the host
Pistil The femail reproductive part found in the petals of a flower in a seed producing plant
Pollen Tiny particles produced by plants that contain the microscopic cells that later become sperm cells
Protozoan An animal-like protist
Pseudopod A "false-foot" or temporary bulge of the cell membrane used for feeding and movement of some protozoans
Seed The plant structure that contains a young plant inside a protective covering
Species A group of similar organisms whose members can mate with one another and produce fertile offspring
Spore A tiny cell that is able to grow into a new organism
Stamen The male reproductive part of a flower
Taxonomy The scientific study of how living things are classified
Tropism The growth response of a plant towards or away from a stimulus
Vascular Tissue The internal transporting tissue in some plants that is made up of tube-like structures
Zygote A fertilized egg, produced by the joining of a sperm cell and an egg cell
Binary Fission A form of asexual reproduction in which one-cell divides to form two identical cells
Created by: tavakoliv