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