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Discover Biology Unit 1 Chapter 3
Major groups of living organisms
42
Biology
Undergraduate 1
09/05/2009

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Term
All the world's living things, in every size, shape, and form
Definition
Biodiversity
Term
Major groups of organisms are the...
Definition
Bacteria, Archaea, and the Protisa
Term
Bacteria and Archaea are each both a _______ and a _______, whereas Eukarya is a single ________ made up of four ___________
Definition
kingdom, domain, domain, kingdom
Term
the new adaptations that have allowed its members to live and reproduce successfully
Definition
evolutionary innovation
Term
Eukaryotes contain specialized compartments inside each of their cells, known as __________
Definition
organelles
Term
Most familiar as single-celled disease-causing organisms
Definition
Bacteria
Term
Single-celled bacteria-like organisms
Definition
Archaea
Term
Lovers of the extreme
Definition
extremophiles
Term
The way prokaryotes usually reproduce
Definition
Fission
Term
need oxygen to survive
Definition
aerobes
Term
can survive without oxygen
Definition
anaerobes
Term
The chemical building block used to make critical molecules like proteins and DNA
Definition
Carbon
Term
chemoheterotrophs
Definition
An organism that obtains its energy from chemicals and derives its carbon from carbon-containing compounds found mainly in other organisms. All fungi and ani,als, as well as many protists and prokaryotes, are chemoheterotrophs.
Term
chemoautotroph
Definition
An organism that obtains its energy from chemicals and derives its ccarbon from carbon dioxide in the air. All chemoautotrophs are prokaryotes.
Term
An organism that obtains its energy from sunlight and derives its carbon from carbon dioxide in the air.
Definition
photoautotroph
Term
An organism that obtains its energy from sunlight and derives its carbon from carbon-containing compunds found mainly in other organisms.
Definition
photoheterotroph
Term
heat lover
Definition
thermophile
Term
plants
Definition
plante
Term
the key adaptation of plants is their ability to use ____________ in order to ______________
Definition
chloroplasts, photosynthesize
Term
Photosynthesis
Definition
use light (energy from the sun) and carbon dioxide (a gas in the air) to produce food in the form of sugars
Term
a collection of fingerlike growths that absorb nutrients from the soil. This adaptation helped plants on land obtain and conserve water
Definition
root system
Term
the waxy covering over stem and leaves which prevents plant tissues from drying out even when exposed to sun and air.
Definition
cuticle
Term
A cells rigid cell walls that help them stand up
Definition
cellulose
Term
networks of specialized tissues that extend from the roots throughout the bodies of plants. Adaptation helped transport fluids and nutrients to the cells more efficiently
Definition
vascular systems
Term
order of plants to evolve
Definition
mosses, ferns, gymnosperms, angiosperms
Term
pinetrees and cone-bearing plants (conifers) are...
Definition
gymnosperms
Term
the first plants to evolve seeds
Definition
gymnosperms
Term
a structure that encases the plants embryo in a protective covering and provides it with a stored supply of nutrients
Definition
seed
Term
the flowering plant, most dominant and diverse group of plants
Definition
angiosperms
Term
specialized structures for sexual reproduction and plants.
Definition
flower
Term
yeasts and molds are examples of
Definition
fungi
Term
three groups of fungi
Definition
zygomycetes, ascomycetes, and basidiomycetes
Term
organisms that live in or on other organisms and harm them
Definition
parasites
Term
organisms that benefit form, and provide benefits to, the organisms they associate with
Definition
mutualists
Term
the main body of a typical fungus is a _________, which is a mat of threadlike projections called _______
Definition
mycelium, hyphae
Term
evolving order for animalia
Definition
sponges, cnidarians, protostomes, echinoderms, and vertebrates
Term
sea anemones, jelly fish, and coral
Definition
cnidarians
Term
mollusks (snails and clams), annelids (segmented worms), anthropods (crustaaceans, spiders, and insects
Definition
protostomes
Term
sea stars, etc
Definition
echinoderms
Term
animals with backbone
Definition
fishes, birds, etc
Term
mouth first to develop and anus develops somewhere else later
Definition
protostomes
Term
deuterostomes
Definition
develops into the anus and the second opening becomes the mouth
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