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Flashcard Set Science

P.s. Ch 1 Section 4 Origin of Life

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LIFE SCIENCE

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Terms and definitions

Everything in this flashcard set.

LIGHTNING
Abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission
UNICELLULAR
Having or consisting of a single cell
FOSSIL
The remains of a plant or animal that existed in a past geological age and that has been excavated
ICECAPS
A mass of ___ and snow that permanently covers a large area of land (plural)
ORIGIN
The place where something begins, where it springs into being
DIOXIDE
An oxide containing two atoms of oxygen in the molecule
POLAR
Located at or near or coming from the earth's poles
ATMOSPHERE
Layer of air around the Earth
CARBOHYDRATES
An essential structural component of living cells and source of energy for animals (plural)
VOLCANIC
Igneous rock produced by eruption and solidified on or near the earth's surface
PROTEINS
Nutrient in meat and beans that builds muscle (plural)
WATER
Clear liquid we drink that falls as rain
CARBON
An abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous ___
NITROGEN
A common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas
EXPERIMENTS
The act of conducting a controlled test or investigation (plural)
ORGANISMS
A living thing that has the ability to act or function independently (plural)
ANCIENT
A very old person
CHEMICALS
Substance used in or made by chemistry (plural)
UNITS
Any division of quantity accepted as a standard of measurement or exchange (plural)
BLOCKS
A rectangular area in a city surrounded by streets and usually containing several buildings (plural)
CELL
Tiniest unit of living things
FOOD
What we eat to get energy and grow
MUD
Water soaked soil
OCEANS
Huge body of salt water (plural)

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