I think the correct answer from the choices listed above is option D. Modern fishing practices threaten biodiversity mainly through the removal of community food supplies. When people remove a significant amount of fish, portions of the food web are disturbed and can affect a certain ecosystem.
The number of organsims at each levels, so there are more producer than herbivores, more herbivores than carnivores and so on...
Hi there!
The definition of Oceanography is -
The study of the Ocean.
Hope this helps!
~Alexa
