D.growth, duplication of cell organelles, chromosome replication, repair of chromosomal errors
Answer:
The three main cycles of an ecosystem are the water cycle, the carbon cycle and the nitrogen cycle. These three cycles working in balance are responsible for carrying away waste materials and replenishing the ecosystem with the nutrients necessary to sustain life.
Explanation:
None needed.
The biome that exist closest to the Earth's poles are descibed as polar
The build up of lactic acid will need oxygen to break it up. Lactic acid is why muscles feel tired after excess exercise
The leaf because it is the major structure of photosynthesis in a plant.
