For which of the following organisms is there no natural death?

Individuals that are genetically identical and produced through asexual reproduction are called:

In fungi,the term $homothallic$ is used to represent:

Offspring formed due to sexual reproduction have better chances of survival. Why? Is this statement always true?

In a practical test, a student has to identify the organisms in which syngamy does not occur. In those organisms, the female gamete undergoes development to form new organisms without fertilization. This phenomenon is called "$X$". Identify the organisms and the phenomenon "$X$".

Binary fission is found in