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49 Cards in this Set

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the force put on a given area by the weight of the air above it
air pressure
a hairlike fiber that anchors a moss to the soil and takes in water from the soil
rhizoid
a high altitude cloud with featherlike shape, made of ice crystals
cirrus clouds
any group of gymnosperms that produce seeds in cones and have needle-like leaves
conifer
the sprouting of a seed into a new plant
germination
a structure containing egg cells
ovary
the outer covering of a seed
seed coat
a tiny leaflike structure inside a seed of an angiosperm
cotyledon
the changing of a liquid into a gas
evaporation
something in the environment that causes a living thing to react
stimulus
a cloud that forms in a blanket-like layer
stratus cloud
the underground stem of a fern
rhizome
any form of water particles that falls from the atmosphere and reaches the ground
precipitation
an angiosperm with two cotyledons in each seed
dicot
water in the form of a gas
water vapor
a characteristic that enables a living thinjg to survive in its environment
adaptation
the layer of the atmosphere closest to earth's surface
troposphere
a seed plant that produces flowers
angiosperm
the immature plant inside a seed
embryo
what a living thing does as a result of a stimulus
response
wind that blows from land to sea
land breeze
an undeveloped plant with stored food sealed in a protective covering
seed
a cloud that forms at ground level
fog
puffy clouds with flat bottoms
cumulus clouds
wind that blows from sea to land
sea breeze
the leaf of a fern
frond
the continuous movement of water between earth's surface and the air, changing from liquid to gas to liquid
water cycle
a growth response of a plant toward or away from a stimulus
tropism
the ripened ovary of a flowering seed plant
fruit
the production of a new organism from a female sex cell and a male sex cell
sexual reproduction
the changing of a gas into a liquid
condensation
the production of a new organism from only one cell
asexual reproduction
the amount of the sun's energy thaqt reaches the earth at a given time and place
insolation
the joining of a female and a male sex cell into one cell, a fertilized egg
fertilization
the curving of the path of a moving object caused by the earth's rotating
Cariolis effect
the transfer of a pollen grain to the egg-producing part of a plant
pollination
a device for measuring air pressure
barometer
an angiosperm with one cotyledon in each seed
monocot
the blanket of gases that surrounds the earth
atmosphere
a seed plant that does not produce flowers
gymnosperm
a device that indicates wind direction
wind vane
cell in seedless plant that grows into new organism
spore
a body of rising warm air surrounded by sinking cooler air
convection cell
what the lower atmosphere is like at any given place and time
weather
the amount of water vapor in the air
humidity
air that moves horizontally
wind
a comparison between condensation and evaporation
relative humidity
a device that measures wind speed
anemometer
a line on a weather map connecting places with equal air pressure
isobar