Answer :

(a) Algae and fungi are organisms with the simpler organization having an asexual mode of reproductions, they shift to a sexual mode of reproduction during the onset of adverse conditions for survival. Because sexual reproduction helps in variation and by variation these organisms can adapt to the adverse conditions and help them to survive the adverse conditions, thereby ensuring continuity of the species.

(b) There are many phases in the life of organisms. One of the phases is known as a juvenile phase. Juvenile phase is a period of growth between birth and sexual maturity. After this phase, the organisms start reproducing sexually and attain a level of maturity. In plants, this phase is known as Vegetation phase.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses

(a) Why do organiBiology - Board Papers

Differentiate betBiology - Exemplar

The number of taxBiology - Exemplar

Although sexual rBiology - Exemplar