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ogt list 2
Mars list
20
Biology
10th Grade
09/07/2010

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Term
altitude
Definition
the distance up into the atmosphere
Term
ammoniafication
Definition

  the production of ammonia compounds during the nitrogen cycle

Term
amorphous material
Definition
a substance with a haphazard and disjointed crystal lattice
Term
amplitude
Definition
the maximum movement of a vibrating particle or wave from the normal
Term
anaerobic respiration
Definition
a cellular process that breaks down organic molecules without oxygen
Term
analyze
Definition
to determine if data is reliable and supports the hypothesis
Term
anaphase
Definition
the phase of meiosis and mitosis when the chromosomes separate
Term
angle of incidence
Definition
an angle between the normal and the incident ray at the surface
Term
angle of reflection
Definition

   an angle between the refracted ray and the normal at the surface

Term
animalia
Definition
a kingdom containing complex, multicellular organisms that lack cell walls
Term
aphotic zone
Definition
the ocean layer without light
Term
archaebacteria
Definition
the kingdom of bacteria that lives in extreme environments
Term
asexual reproduction
Definition

 reproduction with one parent and offspring are identical to parent

Term
asteroid
Definition

 a rock made up of material like that which formed the planets

Term
asthenosphere
Definition
plastic-like layer of the earths mantle upon which the plates move
Term
atmosphere
Definition
the protective layer of air around the earth that is divided into five layers
Term
atom
Definition

 the smallest particle of matter that has the characteristics of the matter

Term
atomic mass
Definition
the mass of an atom relative to C-12
Term
atomic mass unit
Definition
a mass equal to ½ of the mass of an atom of C-12
Term
atomic number
Definition
the number of protons in an atom
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