While entering in the neck of a fern archegonium, sperms shows |
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a) |
Phototaxy |
b) |
Chemotaxy |
c) |
Thermotaxy |
d) |
Cyclosis |
While entering in the neck of a fern archegonium, sperms shows |
|||||||
a) |
Phototaxy |
b) |
Chemotaxy |
c) |
Thermotaxy |
d) |
Cyclosis |
(b) In ferns about 32 multiflagellate, spirally coiled sperms are produced in antheridium. These sperms swim towards open archegonia due to the presence of malic acid in the later, |