Which of the following species are semelparous? Select ALL that apply.
Salmon which are born in freshwater streams, swim to the ocean where they undergo the majority of their lives, then return to the freshwater streams to produce thousands of offspring before immediately dying.
Elephants which have a two year gestation period and interbirth interval of four to five years.
Corn which grows from seed each summer to produce a couple of ears holding hundreds of seeds before dying in the fall.
Parrots which lay a clutch of eggs each spring after reaching sexual maturity at two years old. If the eggs are eaten or destroyed early in the spring, the parrots are often able to produce a second clutch.
Coconut palms which produce large seeds consistently year round for decades.