Home
Class 12
BIOLOGY
(A) Why do organisms like algae and fung...

(A) Why do organisms like algae and fungi shift from asexual mode of reproduction to sexual mode ?
(b) What is a juvenile phase in organisms ?

Text Solution

Verified by Experts

(a) Organisms like fungi and algae switch to sexual mode of reproduction just before the onset of adverse conditions because sexual reproduction would bring variation into the organisms and some variants might be able to survive in unfavourable condition.
(b) The period of growth in life of organisms before they start reproducing sexually and attain a level of maturity. It is also known as vegetative phase.
Promotional Banner

Similar Questions

Explore conceptually related problems

Is budding an asexual or sexual mode of reproduction?

Why do algae and fungi shift to sexual mode of reproduction just before the onset of adverse conditions?

Which is a better mode of reproduction : sexual or asexual ? Why ?

Which is a better mode of reproduction - sexual or asexual? Why?

Name two organisms in which fragmentation is a mode of asexual reproduction.

Which mode of reproduction is more beneficial to organisms?

Fill in the blanks: (1) The. .. . . A .. . . Reproduction is the common mode of reproduction in organisms that have a relatively simple organisation like algae and fungi and they shift to . . . .. . B. . . Method of reproduction just before the onset of adverse conditions. (2) Asexual (Vegetative) as well as sexual modes of reproduction are exhibited by the . . ... ..c . . . . . (3) Only sexual mode of reproduction is present in most of the . .. .. . ..d. .... . . .

It is observed that simple organisms like algae and fungi normally reproduce asexually but before the onset of adverse conditions they shift to sexual reprodction, It is so because sexual reproduction

In rotifers, syngamy is absent. Which mode of reproduction is observed in this organism instead?

What is the common mode of asexual reproduction in chrysophytes?