nonliving things in the environment, including soil, water,
temperature, air, light wind, and minerals.
lack of oxygen
an organism capable of self-nourishment by using inorganic
materials as a source of nutrients and using photosynthesis or
chemosynthesis as a source or energy.
For example, most plants, bacteria
microscopic one-celled organisms constituting the phylum
Schizomycota, of the kingdom Monera, and various species involved in
infectious diseases, nitrogen fixation, fermentation or putrefaction
of or pertaining to the biogeographic region that includes the
bottom of a lake, sea, or ocean and the littoral and supralittoral zones of the
the act of gathering or collecting in a biological manner or
all parts of the earth where life is found.
It extends from the
deepest oceans to the upper atmosphere and includes all the air, land and
water where life exists.
living things in the environment, such as plants and animals
submarine hydrothermal vents that have vent waters rich in
black particles of metallic sulfides and temperatures around 350°C.
an instrument that is often used by scientists over the side of a ship to
gather conductivity, temperature, and depth data.
Often, there are other
instruments attached to it.
extract from seaweeds used as a stabilizer in foods and
any mollusk of the class Cephalopoda, having tentacles
attached to the head
logical statement based on the observations and data collected
during the experiment
in an experiment, the standard for comparison.
experiment setup is exactly like the experimental setup except that the
control experiment does not contain the variable.
the physical conditions of the laboratory, or
experiment that the scientist directs.
a wave-resistant structure resulting from cementation processes
and the skeletal construction of
corals, algae, and other calcium carbonate-