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| the smallest of the green, chlorophyll-containing plants, lack stemlike, rootlike, and leaflike structures | algae |
| autotrophs-any organism that can make its own food (all green plants and certain bacteria and protozoa)l also called a producer | autotrophs and heterotrophs |
| tiny, single-celled organisms with a prokaryotic cell structure | bacteria |
| a type of club fungus that grows slowly and lacks gills; also called shelf fungus | bracket fungi (shelf fungi) |
| any of a group of nonvascular plants with simple leaflike, rootlike, and stemlike parts; includes mosses and liverworts | bryophytes |
| any of a group of fungus that produce spores in microscopic club-shaped structures called basidia; examples include mushrooms and toadstools, shelf or bracket fungi, rusts, and smuts | club fungi and sac fungi |
| a gymnospern that bears cones | conifers |
| a group of photosynthetic bacteria that form colonies superficially resembling those of unicellular algae; examples include Nostoc and Anabaena; also known as blue-green algae | cyanobacteria |
| any of a group of yellow algae characterized by ornate microscopic "shells" made of silica | diatoms |
| a group of one-celled, photosynthetic aquatic organisms characterized by the presence of two unlike flagella; often classified as algae in the subphylum Pyrrophyta; one kind is responsible for "red tide" | dinoflagellates |
| eukaryote-any organism whose cells have membrane-enclosed nuclie and organelles | eukaryotes and prokaryotes |
| a nonflowering vascular plant with spore-bearing leaves and horizontal underground stems | fern |
| a nonvascular plant without chlorophyll that is dependent upon other organisms for food | fungus |
| a nonflowering seed plant that reproduces by seeds not covered by the walls of an ovary | gymnosperms |
| a group or similar organisms that are all descended from a single group of originally created animals; although often identified with the taxonomic species, the Biblical Kind may refer to a species, a genus, or a family in some cases | kind |
| a combination of a fungus and an alga (or sometimes a cyanobacterium) that acts like a single organism | lichen |
| a nonvascular plant that has simple leaflike, rootlike, and stemlike parts | a nonvascular plant that has simple leaflike, rootlike, and stemlike parts |
| a nonvascular plant that has simple leaflike, rootlike, and stemlike parts; sometimes called true mosses to distinguish from club mosses | a nonvascular plant that has simple leaflike, rootlike, and stemlike parts; sometimes called true mosses to distinguish from club mosses |
| microorganisms (largely algae) that float near the surface of the water and provide food for larger organisms | plankton |
| primary consumers-in a food chain, the animals that eat food-producing green plants (producers) | primary and secondary consumers |
| any of a number of jellylike, saprophytic organisms often seen on the bark of fallen trees | slime molds |
| a tiney, one-celled asexual reproductive structure able to grow into a new organism under the right conditions | spores |
| an arrangement (as in lichens) in which two different organisms live together in mutual benefit | symbiosis |
| the science of classification; the systematic process of arranging organisms into groups based upon structural similarities | taxonomy |
| vascular-any plant with vascular tissue; a member of the phylum Tracheophyta | vascular and nonvascular plants |
