science Flashcards
(23 cards)
Protist
Protist is an informal term for any eukaryotic
Heterotroph
A heterotroph is an organism that cannot fix carbon from inorganic sources but uses organic carbon for growth
Eukaryote
A eukaryote is any organism whose cells contain a nucleus and other organelles enclosed within membranes
Decomposer
n organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic materia
Parasite
an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host’s expense
Host
an animal or plant on or in which a parasite or commensal organism lives
Fungi
A fungus is any member of the group of eukaryotic organisms that includes unicellular microorganisms such as yeasts and molds, as well as multicellular fungi that produce familiar fruiting forms such as mushrooms and bracket fung
Spore
a reproductive structure that is adapted for dispersion and surviving for extended periods of time in unfavorable conditions
Lichen
A lichen is a composite organism that arises from algae and/or cyanobacteria living among filaments of multiple fungi in a symbiotic relationship
Nonvascular plant
Non-vascular plants are plants without a vascular system consisting of xylem and phloem
Vascular plant
Vascular plants, also known as tracheophytes and also higher plants, form a large group of plants that are defined as those land plants that have lignified tissues for conducting water and minerals throughout the plant
Gymnosperm
The gymnosperms are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes
Angiosperm
The flowering plants, also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants
Photosynthesis
the process by which plants, some bacteria, and some protistans use the energy from sunlight to produce sugar
Cellular respiration
is a set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients
Transpiration
the process by which moisture is carried through plants from roots to small pores on the underside of leaves
Tropism
the process by which moisture is carried through plants from roots to small pores on the underside of leaves
Gravitropism
is a turning or growth movement by a plant or fungus in response to gravity
Phototropism
he orientation of a plant or other organism in response to light, either toward the source of light
Asexual Reproduction
reprodution with 1 person
Toxoplasmosis
is a disease
Malaria
a mosquito-borne infectious disease affecting humans and other animals caused by parasitic
Giardia
infection is an intestinal infection marked by abdominal cramps