no they just kill other animals in the oceans. What were you thinking about that question.
yeswithout the cell the jellyfish is dead
yes
Coral Reefs don't really move and jellyfish move around, and sting people. Coral Reefs help other thins in the sea survive, where as jellyfish don't. The jellyfish are just there.
yes it does help some fish survive but mainly no because the blue shark its mainly everything it see's
salt water, warm weather, and food
Vinegar (3-10% aqueous acetic acid) may be used as a common remedy to help with box jellyfish stings.
NOTHING!
how natural selection help some species to survive and few got extinct
A jellyfish sting from a box jellyfish can kill a person in minutes if not treated. From other jellyfish, it might only sting. you can atually help it if you urinate on it.
Both of these types of actions protect species from preditors.
Creation of variation occurs in a species and help in the survival to species as the most suitable or favorable character pass next generation and under unfavorable condition only the most fit organism survive and help in continuation of the species.
Clown fish have two purposes in life. One is to survive and procreate. The other is to help a certain species of Sea Anemone to survive by living in a symbiotic relationship with it.