STS REVIEWER Flashcards
which following processes produces carbon dioxide
decomposition
respiration
combustion
during nitrogen fixation, nitrogen gas is converted into a form that ____ can use
plants
substance that can be chemically transformed before it can be used by plants
nitrogen gas
carbon from the nonliving environment becomes a part of living organisms through
photosynthesis
how do the living organisms in the diagram return carbon to the atmosphere
by breaking down sugar molecules during respiration
what is te source of carbon in fossil fuel
buried remains of long-dead organisms
Carbon dioxide is released into the atmosphere in increasing quantities, causing it to hold heat. This causes
Temperatures of land to rise, global warming, temperatures of ocean to rise
What step(s) could be taken to help reduce emissions of carbon dioxide in the atmosphere
Decrease combustion, Cut fewer trees, Plant more plants
Carbon dioxide and water are released as byproducts of
respiration
Most animals get the niyrogen they need by
eating other organisms
Pioneer species are adapted for growing well in _______ habitats
newly exposed
which type of succession would most likely occur after a forest fire
secondary succession
as you walk to school, you notice some moss growing in a crack in the sidewalk. This is an example of
a pioneer species and a primary succession
The 2nd year after a farmer stops growing crops, weeds such as horseweed appears. How did the new species of plants get there?
seed have blown into the field by the wind, insects have carried their seeds, birds have carried their seeds
in the early stages of succession,
only a few species grow in an area, most are small. species grow rapidly
Statement best describes a plant that is likely to be a pioneer species
It grows quickly and thrives in bright sunshine
Water changes from a liquid to vapor during
evaporation
Bacteria are essential to
nitrogen fixation
statement about cycles of matter is true?
Matter is moved between the physical environment and living organisms
Drinking after running on a hot day replaces water lost through
transpiration
Approximately, 91% of the Earth’s ______ falls on the ocean
precipitation
water that seeps into the ground, where it is stored in underground caverns or porous rock is called
groundwater