The nutrient cycles between the living and nonliving parts of an ecosystem are called______________.（ ）
A: physical cycles
B: chemical cycles
C: Biogeochemical Cycles
D: biological cycle
A: physical cycles
B: chemical cycles
C: Biogeochemical Cycles
D: biological cycle
举一反三
- For the following cycles, which belong to power cycles ( ) A: Reheat Cycle B: Regenerate Cycle C: Rankine Cycle D: Refrigeration Cycle
- When the disruption occured in the cycle, cycles were pushed back.
- The Chinese lunar calendar is based on the cycles of the moon.
- Here were cycles of industrial prosperity which always collapsed into industrial _____.
- Many thousands of proteins in a typical eukaryotic cell are regulated by cycles of phosphorylation and _______________.