They ensured that balance in the ecosystem was maintained. They ensure that the genetic diversity and species is maintained. Sea otters applied natural selection pressures on the sea urchins population hence maintaining their level such that they will not overgraze on the kelps. Overgrazing would severely affect the sea urchin population and consequently severely affect the sea otters population too.
To thrive in censorious I’d the nucleus
A is correct (ur welcome)
Answer:
Cell Wall and large central vacuole
Explanation:
All cells have a cytoskeleton and cell membrane, but cell walls and large central vacuoles are unique to plants. Cell walls give plants their rigid structure and the ability to withstand great force, while large central vacuoles provide a way for plants to store excess reacts or products derived from photosynthesis.
