The new species would try and crossbreed possibly, or see them as weak and kill them off and take their resources.
An autotroph is an organism that can build its own food
The answer would be (C). If more herring emigrate (leave) from the region, then there will be less herring for the sea lions to use as a food source. This could lead to a decrease in the sea lion population.
Answer: Option A
Explanation:
The fertilizers that is being supplied into the plants contains huge amount of nitrogen and phosphorus in it. The extra fertilizers from the ground move to the nearby local water bodies.
These nutrients n water serves as the food for the algal and make them grow at higher growth rate.
They start consuming the oxygen in water and thus affecting the other aquatic animals found in water.
Because of this reason there is a disturbance in the equilibrium of ecosystem as if the aquatic animals will die there will be a decrease in the population of animals feeding on aquatic animals.