No. It is not necessary for EVERY member of a species to reproduce in order for the species to survive. Consider humans. Some are infertile and can't reproduce, and some choose not to reproduce, yet the human species survives.
the organism has to reproduce otherwise the species will go extinct.
Yes. All species of organism reproduce. If they didn't reproduce they wouldn't exist.
One kind of organism is a species.
Species
Species
species
The species Gene Pool which results from mostly its habitat and how much it needs to reproduce.
If their species is going extinct they can reproduce by them self.
Reproduction
Reproduction. An individual organism does not have to reproduce in order to survive but if the organisms did not produce then the species would die out after just a single generation.
The "carrying capacity" for a species is the total number of individuals that can get enough food to survive and reproduce.
The "carrying capacity" for a species is the total number of individuals that can get enough food to survive and reproduce.