Download Flash Card Set #2

Carbon cycle
Carbon moves between the environment
and living things
Organic Molecules
Living things are made up of ___.
Organic Molecules
All of these molecules contain carbon.
Photosynthesis
Plants use carbon dioxide to make
sugars.
Cellular respiration
Plants and animals use oxygen and
release energy and carbon dioxide from
food.
Combustion
A substance burns
Decomposition
A substance is broken into simpler
molecules by fungi and/or bacteria
Water cycle
Water moves between the environment
and living things
Transpiration
Plants release water vapor.
Runoff
Precipitation that runs from land to
rivers and lakes
Groundwater
Precipitation that is stored in the ground.
Evaporation
Water going from liquid to water vapor.
Condensation
Water going from water vapor to a
liquid. Clouds are formed.
Precipitation
Water falling to the Earth in the form of
rain, snow, sleet, or hail.
Nitrogen fixation
Nitrogen being changed into a form that
plants can use. (Bacteria in the soil and
lightning)
Nitrogen
All living things need _____ to build
new cells.
Succession
The growing of a plant community over
time.
Biodiversity
The variety of species (plants and
animals) present in an area.
Primary succession
Begins in a place with only rocks. No
soil.
Pioneer species
The first plants to grow in an area.
Secondary succession
Crab grass grows during _______
______.
Climax community
A stable community full of well-adapted
slow growing plants.
Biotic Factors (Name six)
Plants, animals, bacteria, fungi, DNA,
Proteins.
Abiotic Factors (Name six)
Water, clouds, precipitation, sun, water
collection area, nitrogen, smoke, fire,
Carbon dioxide, oxygen, Glucose, ATP,
atmosphere, lightning, ammonia,
nitrates.
Once Living Organisms
Dead plants, animals, fossil fuels.