C190 Introduction to Biology: Unit 9 Module 23: Learning
Check & Person Practice: Ecosystems Question and answers
already passed 2026
1. Water cycle The biogeochemical cy-
cle through which
wa-ter moves
between the
oceans, atmosphere,
glac-iers, soil, and
fresh water.
2. Carbon cycle The biogeochemical cy-
cle through which
carbon flows between
the atmos-phere,
water, land, and
ecosystems.
3. Nitrogen cycle The biogeochemical cy-
cle through which
nitro-gen moves
through ter-restrial
ecosystems. Bacte-ria
play multiple roles in
the nitrogen cycle,
includ-ing nitrogen
fixation and
decomposition
4. Biogeochemical cycles Pathways that
chemical elements
follow through
ecosystems; they
involve life (bio) and
nonliving
, components (geo).
5. Consumer An organism that must eat
or absorb complex food
molecules derived from
Check & Person Practice: Ecosystems Question and answers
already passed 2026
1. Water cycle The biogeochemical cy-
cle through which
wa-ter moves
between the
oceans, atmosphere,
glac-iers, soil, and
fresh water.
2. Carbon cycle The biogeochemical cy-
cle through which
carbon flows between
the atmos-phere,
water, land, and
ecosystems.
3. Nitrogen cycle The biogeochemical cy-
cle through which
nitro-gen moves
through ter-restrial
ecosystems. Bacte-ria
play multiple roles in
the nitrogen cycle,
includ-ing nitrogen
fixation and
decomposition
4. Biogeochemical cycles Pathways that
chemical elements
follow through
ecosystems; they
involve life (bio) and
nonliving
, components (geo).
5. Consumer An organism that must eat
or absorb complex food
molecules derived from