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dolphins if they went extinct it would be caused by
*pollution (heavy metals, sewage, PCB, rain water drains, plastic, co2 emissions)
*overfish (80% of all fishery's are over fished and kill many dolphins by net so there's lack of prey and population decrease)
*habitat loss (marine farming, tidal power and areas with a lot of boating activity)
all these factors are the worst threats a dolphin has if we do not stop doing this they will go extinct. this could cause a collapse in the food chain but i do not believe from fish population increase as populations of fish are only getting smaller and smaller.
What else can I help you with?
What would happen if there was no dolphins left in the world?
Dolphins would go extinct.
What would happen to the environment if cheetahs became extinct?
nothing
What would happen if organisms reproduce?
They become extinct.
When did gorrillas become extinct?
Gorillas are not extinct yet, but it could happen soon if they are not protected properly.
Will meerkats become extinct?
All animals that we know today will eventually become extinct, but there is no way to know if it will happen within your lifetime.
If animals donot reproduce what will happen?
Eventually they will become extinct.
What will happen if organisms do not adapt?
They risk dying out, or they move to another environment
If hippos became extinct what would happen to the environment?
nothing. nothing at all
What will happen if the polar bears and penguins all die?
They become extinct.
What do you think will happen if endangered species are not protected?
If they are not protected, they will become extinct.
What will most likely happen if a rose spices is not pollinated?
It will become extinct
What would you do if dolphins became extinct?
I would probably try not to become extinct also. I would be very interested in trying to determine what would cause something like that to happen to an animal that is doing so well currently. Whatever happened would probably be a problem for humans also.
