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Introductory Biology Midterm - Ivy Tech.Introductory Biology Midterm - Ivy Tech.
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Introductory Biology Midterm - Ivy TechAlpha diversity - ANS-refers to diversity within a particular area, community or
ecosystem, and is measured by counting the number of taxa within the ecosystem
(usually species).
Androecium - ANS-the set of a flower's stamens (male reproductive organs)
Angiosperms - ANS-A flowering plant which forms seeds inside a protective chamber
called an ovary.
Anther - ANS-In an angiosperm, the terminal pollen sac of a stamen, where pollen
grains containing sperm-producing male gametophytes form.
Atom - ANS-the most basic unit of matter
Autotroph - ANS-An organism that makes its own food
Basal Angiosperm - ANS-the first flowering plants to diverge from the ancestral
angiosperm, including a single species of shrub from New Caledonia, water lilies and
some other aquatic plants, and woody aromatic plants
Beta diversity - ANS-is species diversity between ecosystems; this involves comparing
the number of taxa that are unique to each of the ecosystems.
Biosphere - ANS-the collection of all ecosystems, and it represents the zones of life on
earth. It includes land, water, and even the atmosphere to a certain extent.
Carpel - ANS-one of the individual female reproductive organs in a flower composed of
an ovary, a style, and a stigma; also known as the gynoecium
Cell - ANS-The most basic unit of structure and function in living things
Cellular Respiration - ANS-process that releases energy from food in the presence of
oxygen
Characteristic - ANS-a feature of an organism - e.g., eye color
, Chemoautotrophs - ANS-Organisms that use hydrogen sulfide or other chemicals as
energy source instead of light.
Chemotaxis - ANS-Cell movement that occurs in response to chemical stimulus
Community - ANS-All the different populations that live together in an area
Corolla - ANS-collection of petals
Cotyledon - ANS-the leaf of the embryo of a seed-bearing plant; after germination it
becomes the first leaves of the seedling
Dicot - ANS-a plant whose seedlings have two cotyledons; a dicotyledon
Dioecious - ANS-If staminate and carpellate flowers are on different plants.
Ecosystem - ANS-A biological community of interacting organisms and their physical
environment.
Eukaryotic - ANS-Cell with a nucleus (surrounded by its own membrane) and other
internal organelles.
Fruit - ANS-the seed-bearing part of a plant, often edible, colorful, and fragrant,
produced from a floral ovary after fertilization
Gamma diversity - ANS-is a measurement of the overall diversity for different
ecosystems within a region.
Gymnosperms - ANS-A plant that produces seeds that are exposed rather than seeds
enclosed in fruits
Gynoecium - ANS-the set of a flower's pistils (female reproductive organs)
Heterosporous - ANS-A term referring to a plant species that has two kinds of spores:
microspores that develop into male gametophytes and megaspores that develop into
female gametophytes.
Homeostasis - ANS-process by which organisms maintain a relatively stable internal
environment
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